Home / 157,934.86-217,960.65-89,041.33

Finding the Fourth Proportional to 157,934.86, 217,960.65 and 89,041.33

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Solution

The fourth proportional to 157,934.86, 217,960.65 and 89,041.33 is: 122,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,934.86 : 217,960.65 = 89,041.33 : x
  2. Step 2: Convert to fraction form
    157,934.86/217,960.65 = 89,041.33/x
  3. Step 3: Cross multiply
    157,934.86x = 217,960.65 × 89,041.33
  4. Step 4: Simplify right side
    157,934.86x = 19,407,506,163.66
  5. Step 5: Solve for x
    x = 19,407,506,163.66/157,934.86
  6. Step 6: Final answer
    x = 122,882.98

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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.