Home / 386,001.83-579,045.50-133,253.66

Finding the Fourth Proportional to 386,001.83, 579,045.50 and 133,253.66

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Solution

The fourth proportional to 386,001.83, 579,045.50 and 133,253.66 is: 199,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,001.83 : 579,045.50 = 133,253.66 : x
  2. Step 2: Convert to fraction form
    386,001.83/579,045.50 = 133,253.66/x
  3. Step 3: Cross multiply
    386,001.83x = 579,045.50 × 133,253.66
  4. Step 4: Simplify right side
    386,001.83x = 77,159,932,181.53
  5. Step 5: Solve for x
    x = 77,159,932,181.53/386,001.83
  6. Step 6: Final answer
    x = 199,895.25

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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.