Home / 107,209.10-147,827.36-68,395.16

Finding the Fourth Proportional to 107,209.10, 147,827.36 and 68,395.16

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Solution

The fourth proportional to 107,209.10, 147,827.36 and 68,395.16 is: 94,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,209.10 : 147,827.36 = 68,395.16 : x
  2. Step 2: Convert to fraction form
    107,209.10/147,827.36 = 68,395.16/x
  3. Step 3: Cross multiply
    107,209.10x = 147,827.36 × 68,395.16
  4. Step 4: Simplify right side
    107,209.10x = 10,110,675,939.58
  5. Step 5: Solve for x
    x = 10,110,675,939.58/107,209.10
  6. Step 6: Final answer
    x = 94,308.00

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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.