Home / 130,922.13-180,665.67-73,563.72

Finding the Fourth Proportional to 130,922.13, 180,665.67 and 73,563.72

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Solution

The fourth proportional to 130,922.13, 180,665.67 and 73,563.72 is: 101,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,922.13 : 180,665.67 = 73,563.72 : x
  2. Step 2: Convert to fraction form
    130,922.13/180,665.67 = 73,563.72/x
  3. Step 3: Cross multiply
    130,922.13x = 180,665.67 × 73,563.72
  4. Step 4: Simplify right side
    130,922.13x = 13,290,438,761.49
  5. Step 5: Solve for x
    x = 13,290,438,761.49/130,922.13
  6. Step 6: Final answer
    x = 101,514.07

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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.