Home / 157,542.90-236,487.15-98,445.30

Finding the Fourth Proportional to 157,542.90, 236,487.15 and 98,445.30

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Solution

The fourth proportional to 157,542.90, 236,487.15 and 98,445.30 is: 147,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,542.90 : 236,487.15 = 98,445.30 : x
  2. Step 2: Convert to fraction form
    157,542.90/236,487.15 = 98,445.30/x
  3. Step 3: Cross multiply
    157,542.90x = 236,487.15 × 98,445.30
  4. Step 4: Simplify right side
    157,542.90x = 23,281,048,427.90
  5. Step 5: Solve for x
    x = 23,281,048,427.90/157,542.90
  6. Step 6: Final answer
    x = 147,775.93

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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.