Home / 127,195.19-175,520.57-70,602.11

Finding the Fourth Proportional to 127,195.19, 175,520.57 and 70,602.11

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Solution

The fourth proportional to 127,195.19, 175,520.57 and 70,602.11 is: 97,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,195.19 : 175,520.57 = 70,602.11 : x
  2. Step 2: Convert to fraction form
    127,195.19/175,520.57 = 70,602.11/x
  3. Step 3: Cross multiply
    127,195.19x = 175,520.57 × 70,602.11
  4. Step 4: Simplify right side
    127,195.19x = 12,392,121,359.79
  5. Step 5: Solve for x
    x = 12,392,121,359.79/127,195.19
  6. Step 6: Final answer
    x = 97,426.03

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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.