Home / 502,132.84-753,189.58-147,139

Finding the Fourth Proportional to 502,132.84, 753,189.58 and 147,139

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Solution

The fourth proportional to 502,132.84, 753,189.58 and 147,139 is: 220,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,132.84 : 753,189.58 = 147,139 : x
  2. Step 2: Convert to fraction form
    502,132.84/753,189.58 = 147,139/x
  3. Step 3: Cross multiply
    502,132.84x = 753,189.58 × 147,139
  4. Step 4: Simplify right side
    502,132.84x = 110,823,561,611.62
  5. Step 5: Solve for x
    x = 110,823,561,611.62/502,132.84
  6. Step 6: Final answer
    x = 220,705.66

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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.