Home / 130,814.33-180,521.47-73,454.10

Finding the Fourth Proportional to 130,814.33, 180,521.47 and 73,454.10

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Solution

The fourth proportional to 130,814.33, 180,521.47 and 73,454.10 is: 101,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814.33 : 180,521.47 = 73,454.10 : x
  2. Step 2: Convert to fraction form
    130,814.33/180,521.47 = 73,454.10/x
  3. Step 3: Cross multiply
    130,814.33x = 180,521.47 × 73,454.10
  4. Step 4: Simplify right side
    130,814.33x = 13,260,041,825.52
  5. Step 5: Solve for x
    x = 13,260,041,825.52/130,814.33
  6. Step 6: Final answer
    x = 101,365.37

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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.