Home / 159,331.79-239,033.69-52,715.49

Finding the Fourth Proportional to 159,331.79, 239,033.69 and 52,715.49

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Solution

The fourth proportional to 159,331.79, 239,033.69 and 52,715.49 is: 79,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,331.79 : 239,033.69 = 52,715.49 : x
  2. Step 2: Convert to fraction form
    159,331.79/239,033.69 = 52,715.49/x
  3. Step 3: Cross multiply
    159,331.79x = 239,033.69 × 52,715.49
  4. Step 4: Simplify right side
    159,331.79x = 12,600,778,094.86
  5. Step 5: Solve for x
    x = 12,600,778,094.86/159,331.79
  6. Step 6: Final answer
    x = 79,085.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.