Home / 118,734.10-163,871.58-67,746.76

Finding the Fourth Proportional to 118,734.10, 163,871.58 and 67,746.76

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Solution

The fourth proportional to 118,734.10, 163,871.58 and 67,746.76 is: 93,501.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,734.10 : 163,871.58 = 67,746.76 : x
  2. Step 2: Convert to fraction form
    118,734.10/163,871.58 = 67,746.76/x
  3. Step 3: Cross multiply
    118,734.10x = 163,871.58 × 67,746.76
  4. Step 4: Simplify right side
    118,734.10x = 11,101,768,601.08
  5. Step 5: Solve for x
    x = 11,101,768,601.08/118,734.10
  6. Step 6: Final answer
    x = 93,501.10

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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.