Home / 118,746.16-163,888.14-67,758.76

Finding the Fourth Proportional to 118,746.16, 163,888.14 and 67,758.76

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Solution

The fourth proportional to 118,746.16, 163,888.14 and 67,758.76 is: 93,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,746.16 : 163,888.14 = 67,758.76 : x
  2. Step 2: Convert to fraction form
    118,746.16/163,888.14 = 67,758.76/x
  3. Step 3: Cross multiply
    118,746.16x = 163,888.14 × 67,758.76
  4. Step 4: Simplify right side
    118,746.16x = 11,104,857,145.11
  5. Step 5: Solve for x
    x = 11,104,857,145.11/118,746.16
  6. Step 6: Final answer
    x = 93,517.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.