Home / 157,717.02-217,727.56-97,320.96

Finding the Fourth Proportional to 157,717.02, 217,727.56 and 97,320.96

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Solution

The fourth proportional to 157,717.02, 217,727.56 and 97,320.96 is: 134,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717.02 : 217,727.56 = 97,320.96 : x
  2. Step 2: Convert to fraction form
    157,717.02/217,727.56 = 97,320.96/x
  3. Step 3: Cross multiply
    157,717.02x = 217,727.56 × 97,320.96
  4. Step 4: Simplify right side
    157,717.02x = 21,189,455,157.66
  5. Step 5: Solve for x
    x = 21,189,455,157.66/157,717.02
  6. Step 6: Final answer
    x = 134,351.10

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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.