Home / 157,746.56-217,695.40-86,132.03

Finding the Fourth Proportional to 157,746.56, 217,695.40 and 86,132.03

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Solution

The fourth proportional to 157,746.56, 217,695.40 and 86,132.03 is: 118,865.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,746.56 : 217,695.40 = 86,132.03 : x
  2. Step 2: Convert to fraction form
    157,746.56/217,695.40 = 86,132.03/x
  3. Step 3: Cross multiply
    157,746.56x = 217,695.40 × 86,132.03
  4. Step 4: Simplify right side
    157,746.56x = 18,750,545,419.85
  5. Step 5: Solve for x
    x = 18,750,545,419.85/157,746.56
  6. Step 6: Final answer
    x = 118,865.01

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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.