Home / 127,528.10-175,990.12-70,168.17

Finding the Fourth Proportional to 127,528.10, 175,990.12 and 70,168.17

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Solution

The fourth proportional to 127,528.10, 175,990.12 and 70,168.17 is: 96,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,528.10 : 175,990.12 = 70,168.17 : x
  2. Step 2: Convert to fraction form
    127,528.10/175,990.12 = 70,168.17/x
  3. Step 3: Cross multiply
    127,528.10x = 175,990.12 × 70,168.17
  4. Step 4: Simplify right side
    127,528.10x = 12,348,904,658.48
  5. Step 5: Solve for x
    x = 12,348,904,658.48/127,528.10
  6. Step 6: Final answer
    x = 96,832.81

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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.