Home / 280,849.29-387,572.13-153,524.85

Finding the Fourth Proportional to 280,849.29, 387,572.13 and 153,524.85

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Solution

The fourth proportional to 280,849.29, 387,572.13 and 153,524.85 is: 211,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,849.29 : 387,572.13 = 153,524.85 : x
  2. Step 2: Convert to fraction form
    280,849.29/387,572.13 = 153,524.85/x
  3. Step 3: Cross multiply
    280,849.29x = 387,572.13 × 153,524.85
  4. Step 4: Simplify right side
    280,849.29x = 59,501,953,122.43
  5. Step 5: Solve for x
    x = 59,501,953,122.43/280,849.29
  6. Step 6: Final answer
    x = 211,864.35

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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.