Home / 318,882.24-440,056.16-175,641.76

Finding the Fourth Proportional to 318,882.24, 440,056.16 and 175,641.76

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Solution

The fourth proportional to 318,882.24, 440,056.16 and 175,641.76 is: 242,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,882.24 : 440,056.16 = 175,641.76 : x
  2. Step 2: Convert to fraction form
    318,882.24/440,056.16 = 175,641.76/x
  3. Step 3: Cross multiply
    318,882.24x = 440,056.16 × 175,641.76
  4. Step 4: Simplify right side
    318,882.24x = 77,292,238,441.24
  5. Step 5: Solve for x
    x = 77,292,238,441.24/318,882.24
  6. Step 6: Final answer
    x = 242,384.90

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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.