Home / 520,036.10-779,996.55-146,096.90

Finding the Fourth Proportional to 520,036.10, 779,996.55 and 146,096.90

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Solution

The fourth proportional to 520,036.10, 779,996.55 and 146,096.90 is: 219,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,036.10 : 779,996.55 = 146,096.90 : x
  2. Step 2: Convert to fraction form
    520,036.10/779,996.55 = 146,096.90/x
  3. Step 3: Cross multiply
    520,036.10x = 779,996.55 × 146,096.90
  4. Step 4: Simplify right side
    520,036.10x = 113,955,077,965.70
  5. Step 5: Solve for x
    x = 113,955,077,965.70/520,036.10
  6. Step 6: Final answer
    x = 219,129.17

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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.