Home / 180,323.01-270,509.13-75,117.38

Finding the Fourth Proportional to 180,323.01, 270,509.13 and 75,117.38

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Solution

The fourth proportional to 180,323.01, 270,509.13 and 75,117.38 is: 112,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,323.01 : 270,509.13 = 75,117.38 : x
  2. Step 2: Convert to fraction form
    180,323.01/270,509.13 = 75,117.38/x
  3. Step 3: Cross multiply
    180,323.01x = 270,509.13 × 75,117.38
  4. Step 4: Simplify right side
    180,323.01x = 20,319,935,759.13
  5. Step 5: Solve for x
    x = 20,319,935,759.13/180,323.01
  6. Step 6: Final answer
    x = 112,686.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.