Home / 158,344.37-218,507.06-86,710.55

Finding the Fourth Proportional to 158,344.37, 218,507.06 and 86,710.55

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Solution

The fourth proportional to 158,344.37, 218,507.06 and 86,710.55 is: 119,656.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,344.37 : 218,507.06 = 86,710.55 : x
  2. Step 2: Convert to fraction form
    158,344.37/218,507.06 = 86,710.55/x
  3. Step 3: Cross multiply
    158,344.37x = 218,507.06 × 86,710.55
  4. Step 4: Simplify right side
    158,344.37x = 18,946,867,351.48
  5. Step 5: Solve for x
    x = 18,946,867,351.48/158,344.37
  6. Step 6: Final answer
    x = 119,656.08

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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.