Home / 112,423.43-155,153.17-64,027.40

Finding the Fourth Proportional to 112,423.43, 155,153.17 and 64,027.40

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Solution

The fourth proportional to 112,423.43, 155,153.17 and 64,027.40 is: 88,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,423.43 : 155,153.17 = 64,027.40 : x
  2. Step 2: Convert to fraction form
    112,423.43/155,153.17 = 64,027.40/x
  3. Step 3: Cross multiply
    112,423.43x = 155,153.17 × 64,027.40
  4. Step 4: Simplify right side
    112,423.43x = 9,934,053,301.09
  5. Step 5: Solve for x
    x = 9,934,053,301.09/112,423.43
  6. Step 6: Final answer
    x = 88,362.84

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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.