Home / 318,764.52-439,897.92-175,529.64

Finding the Fourth Proportional to 318,764.52, 439,897.92 and 175,529.64

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Solution

The fourth proportional to 318,764.52, 439,897.92 and 175,529.64 is: 242,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,764.52 : 439,897.92 = 175,529.64 : x
  2. Step 2: Convert to fraction form
    318,764.52/439,897.92 = 175,529.64/x
  3. Step 3: Cross multiply
    318,764.52x = 439,897.92 × 175,529.64
  4. Step 4: Simplify right side
    318,764.52x = 77,215,123,534.35
  5. Step 5: Solve for x
    x = 77,215,123,534.35/318,764.52
  6. Step 6: Final answer
    x = 242,232.49

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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.