Home / 272,920.72-376,624.92-152,061.52

Finding the Fourth Proportional to 272,920.72, 376,624.92 and 152,061.52

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Solution

The fourth proportional to 272,920.72, 376,624.92 and 152,061.52 is: 209,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,920.72 : 376,624.92 = 152,061.52 : x
  2. Step 2: Convert to fraction form
    272,920.72/376,624.92 = 152,061.52/x
  3. Step 3: Cross multiply
    272,920.72x = 376,624.92 × 152,061.52
  4. Step 4: Simplify right side
    272,920.72x = 57,270,157,805.08
  5. Step 5: Solve for x
    x = 57,270,157,805.08/272,920.72
  6. Step 6: Final answer
    x = 209,841.74

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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.