Home / 157,247.52-216,995.02-85,627.36

Finding the Fourth Proportional to 157,247.52, 216,995.02 and 85,627.36

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Solution

The fourth proportional to 157,247.52, 216,995.02 and 85,627.36 is: 118,162.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,247.52 : 216,995.02 = 85,627.36 : x
  2. Step 2: Convert to fraction form
    157,247.52/216,995.02 = 85,627.36/x
  3. Step 3: Cross multiply
    157,247.52x = 216,995.02 × 85,627.36
  4. Step 4: Simplify right side
    157,247.52x = 18,580,710,695.75
  5. Step 5: Solve for x
    x = 18,580,710,695.75/157,247.52
  6. Step 6: Final answer
    x = 118,162.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.