Home / 130,049.06-179,478.69-73,470.74

Finding the Fourth Proportional to 130,049.06, 179,478.69 and 73,470.74

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Solution

The fourth proportional to 130,049.06, 179,478.69 and 73,470.74 is: 101,395.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.06 : 179,478.69 = 73,470.74 : x
  2. Step 2: Convert to fraction form
    130,049.06/179,478.69 = 73,470.74/x
  3. Step 3: Cross multiply
    130,049.06x = 179,478.69 × 73,470.74
  4. Step 4: Simplify right side
    130,049.06x = 13,186,432,168.53
  5. Step 5: Solve for x
    x = 13,186,432,168.53/130,049.06
  6. Step 6: Final answer
    x = 101,395.83

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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.