Home / 127,516.59-176,020.26-109,539.45

Finding the Fourth Proportional to 127,516.59, 176,020.26 and 109,539.45

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Solution

The fourth proportional to 127,516.59, 176,020.26 and 109,539.45 is: 151,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,516.59 : 176,020.26 = 109,539.45 : x
  2. Step 2: Convert to fraction form
    127,516.59/176,020.26 = 109,539.45/x
  3. Step 3: Cross multiply
    127,516.59x = 176,020.26 × 109,539.45
  4. Step 4: Simplify right side
    127,516.59x = 19,281,161,589.16
  5. Step 5: Solve for x
    x = 19,281,161,589.16/127,516.59
  6. Step 6: Final answer
    x = 151,205.13

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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.