Home / 134,823.90-202,365.45-68,339.10

Finding the Fourth Proportional to 134,823.90, 202,365.45 and 68,339.10

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Solution

The fourth proportional to 134,823.90, 202,365.45 and 68,339.10 is: 102,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,823.90 : 202,365.45 = 68,339.10 : x
  2. Step 2: Convert to fraction form
    134,823.90/202,365.45 = 68,339.10/x
  3. Step 3: Cross multiply
    134,823.90x = 202,365.45 × 68,339.10
  4. Step 4: Simplify right side
    134,823.90x = 13,829,472,724.10
  5. Step 5: Solve for x
    x = 13,829,472,724.10/134,823.90
  6. Step 6: Final answer
    x = 102,574.34

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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.