Home / 153,244.31-229,671.79-68,914.40

Finding the Fourth Proportional to 153,244.31, 229,671.79 and 68,914.40

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Solution

The fourth proportional to 153,244.31, 229,671.79 and 68,914.40 is: 103,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,244.31 : 229,671.79 = 68,914.40 : x
  2. Step 2: Convert to fraction form
    153,244.31/229,671.79 = 68,914.40/x
  3. Step 3: Cross multiply
    153,244.31x = 229,671.79 × 68,914.40
  4. Step 4: Simplify right side
    153,244.31x = 15,827,692,284.13
  5. Step 5: Solve for x
    x = 15,827,692,284.13/153,244.31
  6. Step 6: Final answer
    x = 103,284.05

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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.