Home / 558,358.92-837,543.30-158,999.35

Finding the Fourth Proportional to 558,358.92, 837,543.30 and 158,999.35

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Solution

The fourth proportional to 558,358.92, 837,543.30 and 158,999.35 is: 238,500.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,358.92 : 837,543.30 = 158,999.35 : x
  2. Step 2: Convert to fraction form
    558,358.92/837,543.30 = 158,999.35/x
  3. Step 3: Cross multiply
    558,358.92x = 837,543.30 × 158,999.35
  4. Step 4: Simplify right side
    558,358.92x = 133,168,840,296.86
  5. Step 5: Solve for x
    x = 133,168,840,296.86/558,358.92
  6. Step 6: Final answer
    x = 238,500.43

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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.