Home / 157,133.72-216,849.44-89,153.55

Finding the Fourth Proportional to 157,133.72, 216,849.44 and 89,153.55

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Solution

The fourth proportional to 157,133.72, 216,849.44 and 89,153.55 is: 123,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,133.72 : 216,849.44 = 89,153.55 : x
  2. Step 2: Convert to fraction form
    157,133.72/216,849.44 = 89,153.55/x
  3. Step 3: Cross multiply
    157,133.72x = 216,849.44 × 89,153.55
  4. Step 4: Simplify right side
    157,133.72x = 19,332,896,945.74
  5. Step 5: Solve for x
    x = 19,332,896,945.74/157,133.72
  6. Step 6: Final answer
    x = 123,034.68

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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.