Home / 134,707.32-185,897.38-74,280.36

Finding the Fourth Proportional to 134,707.32, 185,897.38 and 74,280.36

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Solution

The fourth proportional to 134,707.32, 185,897.38 and 74,280.36 is: 102,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,707.32 : 185,897.38 = 74,280.36 : x
  2. Step 2: Convert to fraction form
    134,707.32/185,897.38 = 74,280.36/x
  3. Step 3: Cross multiply
    134,707.32x = 185,897.38 × 74,280.36
  4. Step 4: Simplify right side
    134,707.32x = 13,808,524,309.46
  5. Step 5: Solve for x
    x = 13,808,524,309.46/134,707.32
  6. Step 6: Final answer
    x = 102,507.60

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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.