Home / 106,833.88-147,430.74-58,436.20

Finding the Fourth Proportional to 106,833.88, 147,430.74 and 58,436.20

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Solution

The fourth proportional to 106,833.88, 147,430.74 and 58,436.20 is: 80,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,833.88 : 147,430.74 = 58,436.20 : x
  2. Step 2: Convert to fraction form
    106,833.88/147,430.74 = 58,436.20/x
  3. Step 3: Cross multiply
    106,833.88x = 147,430.74 × 58,436.20
  4. Step 4: Simplify right side
    106,833.88x = 8,615,292,208.79
  5. Step 5: Solve for x
    x = 8,615,292,208.79/106,833.88
  6. Step 6: Final answer
    x = 80,641.95

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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.