Home / 127,280.22-175,643.64-70,691.64

Finding the Fourth Proportional to 127,280.22, 175,643.64 and 70,691.64

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Solution

The fourth proportional to 127,280.22, 175,643.64 and 70,691.64 is: 97,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,280.22 : 175,643.64 = 70,691.64 : x
  2. Step 2: Convert to fraction form
    127,280.22/175,643.64 = 70,691.64/x
  3. Step 3: Cross multiply
    127,280.22x = 175,643.64 × 70,691.64
  4. Step 4: Simplify right side
    127,280.22x = 12,416,536,967.17
  5. Step 5: Solve for x
    x = 12,416,536,967.17/127,280.22
  6. Step 6: Final answer
    x = 97,552.76

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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.