Home / 127,429.52-175,832.04-70,839.44

Finding the Fourth Proportional to 127,429.52, 175,832.04 and 70,839.44

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Solution

The fourth proportional to 127,429.52, 175,832.04 and 70,839.44 is: 97,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,429.52 : 175,832.04 = 70,839.44 : x
  2. Step 2: Convert to fraction form
    127,429.52/175,832.04 = 70,839.44/x
  3. Step 3: Cross multiply
    127,429.52x = 175,832.04 × 70,839.44
  4. Step 4: Simplify right side
    127,429.52x = 12,455,843,247.66
  5. Step 5: Solve for x
    x = 12,455,843,247.66/127,429.52
  6. Step 6: Final answer
    x = 97,746.92

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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.