Home / 130,891.20-180,619.23-73,527.40

Finding the Fourth Proportional to 130,891.20, 180,619.23 and 73,527.40

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Solution

The fourth proportional to 130,891.20, 180,619.23 and 73,527.40 is: 101,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,891.20 : 180,619.23 = 73,527.40 : x
  2. Step 2: Convert to fraction form
    130,891.20/180,619.23 = 73,527.40/x
  3. Step 3: Cross multiply
    130,891.20x = 180,619.23 × 73,527.40
  4. Step 4: Simplify right side
    130,891.20x = 13,280,462,371.90
  5. Step 5: Solve for x
    x = 13,280,462,371.90/130,891.20
  6. Step 6: Final answer
    x = 101,461.84

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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.