Home / 130,814.10-180,517.17-73,446.36

Finding the Fourth Proportional to 130,814.10, 180,517.17 and 73,446.36

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Solution

The fourth proportional to 130,814.10, 180,517.17 and 73,446.36 is: 101,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814.10 : 180,517.17 = 73,446.36 : x
  2. Step 2: Convert to fraction form
    130,814.10/180,517.17 = 73,446.36/x
  3. Step 3: Cross multiply
    130,814.10x = 180,517.17 × 73,446.36
  4. Step 4: Simplify right side
    130,814.10x = 13,258,329,054.00
  5. Step 5: Solve for x
    x = 13,258,329,054.00/130,814.10
  6. Step 6: Final answer
    x = 101,352.45

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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.