Home / 107,208.10-147,825.98-68,394.16

Finding the Fourth Proportional to 107,208.10, 147,825.98 and 68,394.16

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Solution

The fourth proportional to 107,208.10, 147,825.98 and 68,394.16 is: 94,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,208.10 : 147,825.98 = 68,394.16 : x
  2. Step 2: Convert to fraction form
    107,208.10/147,825.98 = 68,394.16/x
  3. Step 3: Cross multiply
    107,208.10x = 147,825.98 × 68,394.16
  4. Step 4: Simplify right side
    107,208.10x = 10,110,433,728.28
  5. Step 5: Solve for x
    x = 10,110,433,728.28/107,208.10
  6. Step 6: Final answer
    x = 94,306.62

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1.5x scale

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.