Home / 127,022.18-175,294.13-69,664.15

Finding the Fourth Proportional to 127,022.18, 175,294.13 and 69,664.15

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Solution

The fourth proportional to 127,022.18, 175,294.13 and 69,664.15 is: 96,138.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,022.18 : 175,294.13 = 69,664.15 : x
  2. Step 2: Convert to fraction form
    127,022.18/175,294.13 = 69,664.15/x
  3. Step 3: Cross multiply
    127,022.18x = 175,294.13 × 69,664.15
  4. Step 4: Simplify right side
    127,022.18x = 12,211,716,437.24
  5. Step 5: Solve for x
    x = 12,211,716,437.24/127,022.18
  6. Step 6: Final answer
    x = 96,138.46

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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.