Home / 126,490.16-174,541.56-69,898.16

Finding the Fourth Proportional to 126,490.16, 174,541.56 and 69,898.16

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Solution

The fourth proportional to 126,490.16, 174,541.56 and 69,898.16 is: 96,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,490.16 : 174,541.56 = 69,898.16 : x
  2. Step 2: Convert to fraction form
    126,490.16/174,541.56 = 69,898.16/x
  3. Step 3: Cross multiply
    126,490.16x = 174,541.56 × 69,898.16
  4. Step 4: Simplify right side
    126,490.16x = 12,200,133,887.53
  5. Step 5: Solve for x
    x = 12,200,133,887.53/126,490.16
  6. Step 6: Final answer
    x = 96,451.25

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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.