Home / 119,088.18-164,347.56-65,372.76

Finding the Fourth Proportional to 119,088.18, 164,347.56 and 65,372.76

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Solution

The fourth proportional to 119,088.18, 164,347.56 and 65,372.76 is: 90,217.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,088.18 : 164,347.56 = 65,372.76 : x
  2. Step 2: Convert to fraction form
    119,088.18/164,347.56 = 65,372.76/x
  3. Step 3: Cross multiply
    119,088.18x = 164,347.56 × 65,372.76
  4. Step 4: Simplify right side
    119,088.18x = 10,743,853,596.47
  5. Step 5: Solve for x
    x = 10,743,853,596.47/119,088.18
  6. Step 6: Final answer
    x = 90,217.63

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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.