Home / 158,543.83-237,548.30-78,475.03

Finding the Fourth Proportional to 158,543.83, 237,548.30 and 78,475.03

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Solution

The fourth proportional to 158,543.83, 237,548.30 and 78,475.03 is: 117,580.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,543.83 : 237,548.30 = 78,475.03 : x
  2. Step 2: Convert to fraction form
    158,543.83/237,548.30 = 78,475.03/x
  3. Step 3: Cross multiply
    158,543.83x = 237,548.30 × 78,475.03
  4. Step 4: Simplify right side
    158,543.83x = 18,641,608,982.70
  5. Step 5: Solve for x
    x = 18,641,608,982.70/158,543.83
  6. Step 6: Final answer
    x = 117,580.16

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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.