Home / 286,882.42-429,929.96-181,512.76

Finding the Fourth Proportional to 286,882.42, 429,929.96 and 181,512.76

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Solution

The fourth proportional to 286,882.42, 429,929.96 and 181,512.76 is: 272,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,882.42 : 429,929.96 = 181,512.76 : x
  2. Step 2: Convert to fraction form
    286,882.42/429,929.96 = 181,512.76/x
  3. Step 3: Cross multiply
    286,882.42x = 429,929.96 × 181,512.76
  4. Step 4: Simplify right side
    286,882.42x = 78,037,773,646.29
  5. Step 5: Solve for x
    x = 78,037,773,646.29/286,882.42
  6. Step 6: Final answer
    x = 272,020.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.