Home / 127,416.92-175,820.08-70,046.80

Finding the Fourth Proportional to 127,416.92, 175,820.08 and 70,046.80

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Solution

The fourth proportional to 127,416.92, 175,820.08 and 70,046.80 is: 96,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,416.92 : 175,820.08 = 70,046.80 : x
  2. Step 2: Convert to fraction form
    127,416.92/175,820.08 = 70,046.80/x
  3. Step 3: Cross multiply
    127,416.92x = 175,820.08 × 70,046.80
  4. Step 4: Simplify right side
    127,416.92x = 12,315,633,979.74
  5. Step 5: Solve for x
    x = 12,315,633,979.74/127,416.92
  6. Step 6: Final answer
    x = 96,656.19

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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.