Home / 126,490.66-174,557.28-69,902.05

Finding the Fourth Proportional to 126,490.66, 174,557.28 and 69,902.05

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Solution

The fourth proportional to 126,490.66, 174,557.28 and 69,902.05 is: 96,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.66 : 174,557.28 = 69,902.05 : x
  2. Step 2: Convert to fraction form
    126,490.66/174,557.28 = 69,902.05/x
  3. Step 3: Cross multiply
    126,490.66x = 174,557.28 × 69,902.05
  4. Step 4: Simplify right side
    126,490.66x = 12,201,911,714.42
  5. Step 5: Solve for x
    x = 12,201,911,714.42/126,490.66
  6. Step 6: Final answer
    x = 96,464.92

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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.