Home / 124,381.36-171,510.76-84,025.04

Finding the Fourth Proportional to 124,381.36, 171,510.76 and 84,025.04

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Solution

The fourth proportional to 124,381.36, 171,510.76 and 84,025.04 is: 115,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,381.36 : 171,510.76 = 84,025.04 : x
  2. Step 2: Convert to fraction form
    124,381.36/171,510.76 = 84,025.04/x
  3. Step 3: Cross multiply
    124,381.36x = 171,510.76 × 84,025.04
  4. Step 4: Simplify right side
    124,381.36x = 14,411,198,469.43
  5. Step 5: Solve for x
    x = 14,411,198,469.43/124,381.36
  6. Step 6: Final answer
    x = 115,863.01

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1.5x scale

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.