Home / 127,160.48-175,475.20-69,798.40

Finding the Fourth Proportional to 127,160.48, 175,475.20 and 69,798.40

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Solution

The fourth proportional to 127,160.48, 175,475.20 and 69,798.40 is: 96,318.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,160.48 : 175,475.20 = 69,798.40 : x
  2. Step 2: Convert to fraction form
    127,160.48/175,475.20 = 69,798.40/x
  3. Step 3: Cross multiply
    127,160.48x = 175,475.20 × 69,798.40
  4. Step 4: Simplify right side
    127,160.48x = 12,247,888,199.68
  5. Step 5: Solve for x
    x = 12,247,888,199.68/127,160.48
  6. Step 6: Final answer
    x = 96,318.35

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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.