Home / 237,332.57-327,517.71-128,436.81

Finding the Fourth Proportional to 237,332.57, 327,517.71 and 128,436.81

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Solution

The fourth proportional to 237,332.57, 327,517.71 and 128,436.81 is: 177,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,332.57 : 327,517.71 = 128,436.81 : x
  2. Step 2: Convert to fraction form
    237,332.57/327,517.71 = 128,436.81/x
  3. Step 3: Cross multiply
    237,332.57x = 327,517.71 × 128,436.81
  4. Step 4: Simplify right side
    237,332.57x = 42,065,329,890.91
  5. Step 5: Solve for x
    x = 42,065,329,890.91/237,332.57
  6. Step 6: Final answer
    x = 177,242.13

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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.