Home / 130,614.50-180,250.04-73,266.56

Finding the Fourth Proportional to 130,614.50, 180,250.04 and 73,266.56

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Solution

The fourth proportional to 130,614.50, 180,250.04 and 73,266.56 is: 101,108.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,614.50 : 180,250.04 = 73,266.56 : x
  2. Step 2: Convert to fraction form
    130,614.50/180,250.04 = 73,266.56/x
  3. Step 3: Cross multiply
    130,614.50x = 180,250.04 × 73,266.56
  4. Step 4: Simplify right side
    130,614.50x = 13,206,300,328.52
  5. Step 5: Solve for x
    x = 13,206,300,328.52/130,614.50
  6. Step 6: Final answer
    x = 101,108.99

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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.