Home / 112,373.04-155,037.60-74,151.57

Finding the Fourth Proportional to 112,373.04, 155,037.60 and 74,151.57

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Solution

The fourth proportional to 112,373.04, 155,037.60 and 74,151.57 is: 102,304.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,373.04 : 155,037.60 = 74,151.57 : x
  2. Step 2: Convert to fraction form
    112,373.04/155,037.60 = 74,151.57/x
  3. Step 3: Cross multiply
    112,373.04x = 155,037.60 × 74,151.57
  4. Step 4: Simplify right side
    112,373.04x = 11,496,281,449.03
  5. Step 5: Solve for x
    x = 11,496,281,449.03/112,373.04
  6. Step 6: Final answer
    x = 102,304.62

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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.