Home / 127,524.04-175,980.30-87,236.30

Finding the Fourth Proportional to 127,524.04, 175,980.30 and 87,236.30

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Solution

The fourth proportional to 127,524.04, 175,980.30 and 87,236.30 is: 120,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,524.04 : 175,980.30 = 87,236.30 : x
  2. Step 2: Convert to fraction form
    127,524.04/175,980.30 = 87,236.30/x
  3. Step 3: Cross multiply
    127,524.04x = 175,980.30 × 87,236.30
  4. Step 4: Simplify right side
    127,524.04x = 15,351,870,244.89
  5. Step 5: Solve for x
    x = 15,351,870,244.89/127,524.04
  6. Step 6: Final answer
    x = 120,384.13

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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.