Home / 130,823.19-180,521.10-73,454.84

Finding the Fourth Proportional to 130,823.19, 180,521.10 and 73,454.84

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Solution

The fourth proportional to 130,823.19, 180,521.10 and 73,454.84 is: 101,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,823.19 : 180,521.10 = 73,454.84 : x
  2. Step 2: Convert to fraction form
    130,823.19/180,521.10 = 73,454.84/x
  3. Step 3: Cross multiply
    130,823.19x = 180,521.10 × 73,454.84
  4. Step 4: Simplify right side
    130,823.19x = 13,260,147,614.52
  5. Step 5: Solve for x
    x = 13,260,147,614.52/130,823.19
  6. Step 6: Final answer
    x = 101,359.30

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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.