Home / 118,019.76-163,998.48-116,806.08

Finding the Fourth Proportional to 118,019.76, 163,998.48 and 116,806.08

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Solution

The fourth proportional to 118,019.76, 163,998.48 and 116,806.08 is: 162,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,019.76 : 163,998.48 = 116,806.08 : x
  2. Step 2: Convert to fraction form
    118,019.76/163,998.48 = 116,806.08/x
  3. Step 3: Cross multiply
    118,019.76x = 163,998.48 × 116,806.08
  4. Step 4: Simplify right side
    118,019.76x = 19,156,019,574.76
  5. Step 5: Solve for x
    x = 19,156,019,574.76/118,019.76
  6. Step 6: Final answer
    x = 162,311.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.