Home / 157,440.10-236,006.55-140,851.30

Finding the Fourth Proportional to 157,440.10, 236,006.55 and 140,851.30

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Solution

The fourth proportional to 157,440.10, 236,006.55 and 140,851.30 is: 211,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,440.10 : 236,006.55 = 140,851.30 : x
  2. Step 2: Convert to fraction form
    157,440.10/236,006.55 = 140,851.30/x
  3. Step 3: Cross multiply
    157,440.10x = 236,006.55 × 140,851.30
  4. Step 4: Simplify right side
    157,440.10x = 33,241,829,376.02
  5. Step 5: Solve for x
    x = 33,241,829,376.02/157,440.10
  6. Step 6: Final answer
    x = 211,139.53

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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.