Home / 100,513.12-150,790.56-29,436.16

Finding the Fourth Proportional to 100,513.12, 150,790.56 and 29,436.16

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Solution

The fourth proportional to 100,513.12, 150,790.56 and 29,436.16 is: 44,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,513.12 : 150,790.56 = 29,436.16 : x
  2. Step 2: Convert to fraction form
    100,513.12/150,790.56 = 29,436.16/x
  3. Step 3: Cross multiply
    100,513.12x = 150,790.56 × 29,436.16
  4. Step 4: Simplify right side
    100,513.12x = 4,438,695,050.65
  5. Step 5: Solve for x
    x = 4,438,695,050.65/100,513.12
  6. Step 6: Final answer
    x = 44,160.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.