Home / 117,047.13-175,527.66-42,147.18

Finding the Fourth Proportional to 117,047.13, 175,527.66 and 42,147.18

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Solution

The fourth proportional to 117,047.13, 175,527.66 and 42,147.18 is: 63,205.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.13 : 175,527.66 = 42,147.18 : x
  2. Step 2: Convert to fraction form
    117,047.13/175,527.66 = 42,147.18/x
  3. Step 3: Cross multiply
    117,047.13x = 175,527.66 × 42,147.18
  4. Step 4: Simplify right side
    117,047.13x = 7,397,995,881.00
  5. Step 5: Solve for x
    x = 7,397,995,881.00/117,047.13
  6. Step 6: Final answer
    x = 63,205.27

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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.