Home / 134,585.87-185,730.03-74,154.92

Finding the Fourth Proportional to 134,585.87, 185,730.03 and 74,154.92

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Solution

The fourth proportional to 134,585.87, 185,730.03 and 74,154.92 is: 102,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,585.87 : 185,730.03 = 74,154.92 : x
  2. Step 2: Convert to fraction form
    134,585.87/185,730.03 = 74,154.92/x
  3. Step 3: Cross multiply
    134,585.87x = 185,730.03 × 74,154.92
  4. Step 4: Simplify right side
    134,585.87x = 13,772,794,587.60
  5. Step 5: Solve for x
    x = 13,772,794,587.60/134,585.87
  6. Step 6: Final answer
    x = 102,334.63

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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.