Home / 119,641.08-165,112-65,926.10

Finding the Fourth Proportional to 119,641.08, 165,112 and 65,926.10

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Solution

The fourth proportional to 119,641.08, 165,112 and 65,926.10 is: 90,982.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,641.08 : 165,112 = 65,926.10 : x
  2. Step 2: Convert to fraction form
    119,641.08/165,112 = 65,926.10/x
  3. Step 3: Cross multiply
    119,641.08x = 165,112 × 65,926.10
  4. Step 4: Simplify right side
    119,641.08x = 10,885,190,223.20
  5. Step 5: Solve for x
    x = 10,885,190,223.20/119,641.08
  6. Step 6: Final answer
    x = 90,982.05

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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.