Home / 112,372.04-155,036.22-74,150.57

Finding the Fourth Proportional to 112,372.04, 155,036.22 and 74,150.57

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Solution

The fourth proportional to 112,372.04, 155,036.22 and 74,150.57 is: 102,303.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,372.04 : 155,036.22 = 74,150.57 : x
  2. Step 2: Convert to fraction form
    112,372.04/155,036.22 = 74,150.57/x
  3. Step 3: Cross multiply
    112,372.04x = 155,036.22 × 74,150.57
  4. Step 4: Simplify right side
    112,372.04x = 11,496,024,083.65
  5. Step 5: Solve for x
    x = 11,496,024,083.65/112,372.04
  6. Step 6: Final answer
    x = 102,303.24

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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.