Home / 134,630.24-185,782.15-74,200.70

Finding the Fourth Proportional to 134,630.24, 185,782.15 and 74,200.70

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Solution

The fourth proportional to 134,630.24, 185,782.15 and 74,200.70 is: 102,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,630.24 : 185,782.15 = 74,200.70 : x
  2. Step 2: Convert to fraction form
    134,630.24/185,782.15 = 74,200.70/x
  3. Step 3: Cross multiply
    134,630.24x = 185,782.15 × 74,200.70
  4. Step 4: Simplify right side
    134,630.24x = 13,785,165,577.51
  5. Step 5: Solve for x
    x = 13,785,165,577.51/134,630.24
  6. Step 6: Final answer
    x = 102,392.79

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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.