Home / 318,841.18-439,995.42-175,614.58

Finding the Fourth Proportional to 318,841.18, 439,995.42 and 175,614.58

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Solution

The fourth proportional to 318,841.18, 439,995.42 and 175,614.58 is: 242,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,841.18 : 439,995.42 = 175,614.58 : x
  2. Step 2: Convert to fraction form
    318,841.18/439,995.42 = 175,614.58/x
  3. Step 3: Cross multiply
    318,841.18x = 439,995.42 × 175,614.58
  4. Step 4: Simplify right side
    318,841.18x = 77,269,610,885.22
  5. Step 5: Solve for x
    x = 77,269,610,885.22/318,841.18
  6. Step 6: Final answer
    x = 242,345.14

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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.