Home / 157,630.30-236,445.45-98,581.30

Finding the Fourth Proportional to 157,630.30, 236,445.45 and 98,581.30

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Solution

The fourth proportional to 157,630.30, 236,445.45 and 98,581.30 is: 147,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,630.30 : 236,445.45 = 98,581.30 : x
  2. Step 2: Convert to fraction form
    157,630.30/236,445.45 = 98,581.30/x
  3. Step 3: Cross multiply
    157,630.30x = 236,445.45 × 98,581.30
  4. Step 4: Simplify right side
    157,630.30x = 23,309,099,840.09
  5. Step 5: Solve for x
    x = 23,309,099,840.09/157,630.30
  6. Step 6: Final answer
    x = 147,871.95

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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.