Home / 109,605.60-151,255.80-59,304.48

Finding the Fourth Proportional to 109,605.60, 151,255.80 and 59,304.48

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Solution

The fourth proportional to 109,605.60, 151,255.80 and 59,304.48 is: 81,840.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,605.60 : 151,255.80 = 59,304.48 : x
  2. Step 2: Convert to fraction form
    109,605.60/151,255.80 = 59,304.48/x
  3. Step 3: Cross multiply
    109,605.60x = 151,255.80 × 59,304.48
  4. Step 4: Simplify right side
    109,605.60x = 8,970,146,565.98
  5. Step 5: Solve for x
    x = 8,970,146,565.98/109,605.60
  6. Step 6: Final answer
    x = 81,840.22

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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.