Home / 111,790.10-167,473.92-66,061.40

Finding the Fourth Proportional to 111,790.10, 167,473.92 and 66,061.40

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Solution

The fourth proportional to 111,790.10, 167,473.92 and 66,061.40 is: 98,967.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,790.10 : 167,473.92 = 66,061.40 : x
  2. Step 2: Convert to fraction form
    111,790.10/167,473.92 = 66,061.40/x
  3. Step 3: Cross multiply
    111,790.10x = 167,473.92 × 66,061.40
  4. Step 4: Simplify right side
    111,790.10x = 11,063,561,618.69
  5. Step 5: Solve for x
    x = 11,063,561,618.69/111,790.10
  6. Step 6: Final answer
    x = 98,967.28

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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.