Home / 527,215.16-790,901.94-153,189.56

Finding the Fourth Proportional to 527,215.16, 790,901.94 and 153,189.56

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Solution

The fourth proportional to 527,215.16, 790,901.94 and 153,189.56 is: 229,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,215.16 : 790,901.94 = 153,189.56 : x
  2. Step 2: Convert to fraction form
    527,215.16/790,901.94 = 153,189.56/x
  3. Step 3: Cross multiply
    527,215.16x = 790,901.94 × 153,189.56
  4. Step 4: Simplify right side
    527,215.16x = 121,157,920,191.75
  5. Step 5: Solve for x
    x = 121,157,920,191.75/527,215.16
  6. Step 6: Final answer
    x = 229,807.35

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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.