Home / 127,113.10-175,415.60-69,753.38

Finding the Fourth Proportional to 127,113.10, 175,415.60 and 69,753.38

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Solution

The fourth proportional to 127,113.10, 175,415.60 and 69,753.38 is: 96,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.10 : 175,415.60 = 69,753.38 : x
  2. Step 2: Convert to fraction form
    127,113.10/175,415.60 = 69,753.38/x
  3. Step 3: Cross multiply
    127,113.10x = 175,415.60 × 69,753.38
  4. Step 4: Simplify right side
    127,113.10x = 12,235,831,004.73
  5. Step 5: Solve for x
    x = 12,235,831,004.73/127,113.10
  6. Step 6: Final answer
    x = 96,259.40

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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.