Home / 134,627.16-185,786.76-74,200.05

Finding the Fourth Proportional to 134,627.16, 185,786.76 and 74,200.05

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Solution

The fourth proportional to 134,627.16, 185,786.76 and 74,200.05 is: 102,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,627.16 : 185,786.76 = 74,200.05 : x
  2. Step 2: Convert to fraction form
    134,627.16/185,786.76 = 74,200.05/x
  3. Step 3: Cross multiply
    134,627.16x = 185,786.76 × 74,200.05
  4. Step 4: Simplify right side
    134,627.16x = 13,785,387,159.59
  5. Step 5: Solve for x
    x = 13,785,387,159.59/134,627.16
  6. Step 6: Final answer
    x = 102,396.77

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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.