Home / 119,117.43-164,374.61-65,402.10

Finding the Fourth Proportional to 119,117.43, 164,374.61 and 65,402.10

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Solution

The fourth proportional to 119,117.43, 164,374.61 and 65,402.10 is: 90,250.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,117.43 : 164,374.61 = 65,402.10 : x
  2. Step 2: Convert to fraction form
    119,117.43/164,374.61 = 65,402.10/x
  3. Step 3: Cross multiply
    119,117.43x = 164,374.61 × 65,402.10
  4. Step 4: Simplify right side
    119,117.43x = 10,750,444,353.67
  5. Step 5: Solve for x
    x = 10,750,444,353.67/119,117.43
  6. Step 6: Final answer
    x = 90,250.81

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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.