Home / 119,042.17-164,280.21-65,332.19

Finding the Fourth Proportional to 119,042.17, 164,280.21 and 65,332.19

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Solution

The fourth proportional to 119,042.17, 164,280.21 and 65,332.19 is: 90,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,042.17 : 164,280.21 = 65,332.19 : x
  2. Step 2: Convert to fraction form
    119,042.17/164,280.21 = 65,332.19/x
  3. Step 3: Cross multiply
    119,042.17x = 164,280.21 × 65,332.19
  4. Step 4: Simplify right side
    119,042.17x = 10,732,784,908.23
  5. Step 5: Solve for x
    x = 10,732,784,908.23/119,042.17
  6. Step 6: Final answer
    x = 90,159.52

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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.