Home / 127,056.40-175,339.59-69,700.91

Finding the Fourth Proportional to 127,056.40, 175,339.59 and 69,700.91

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Solution

The fourth proportional to 127,056.40, 175,339.59 and 69,700.91 is: 96,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,056.40 : 175,339.59 = 69,700.91 : x
  2. Step 2: Convert to fraction form
    127,056.40/175,339.59 = 69,700.91/x
  3. Step 3: Cross multiply
    127,056.40x = 175,339.59 × 69,700.91
  4. Step 4: Simplify right side
    127,056.40x = 12,221,327,843.95
  5. Step 5: Solve for x
    x = 12,221,327,843.95/127,056.40
  6. Step 6: Final answer
    x = 96,188.21

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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.