Home / 112,593.28-155,563.20-88,900.48

Finding the Fourth Proportional to 112,593.28, 155,563.20 and 88,900.48

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Solution

The fourth proportional to 112,593.28, 155,563.20 and 88,900.48 is: 122,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,593.28 : 155,563.20 = 88,900.48 : x
  2. Step 2: Convert to fraction form
    112,593.28/155,563.20 = 88,900.48/x
  3. Step 3: Cross multiply
    112,593.28x = 155,563.20 × 88,900.48
  4. Step 4: Simplify right side
    112,593.28x = 13,829,643,150.34
  5. Step 5: Solve for x
    x = 13,829,643,150.34/112,593.28
  6. Step 6: Final answer
    x = 122,828.32

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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.