Home / 158,150.45-218,178.32-92,706.12

Finding the Fourth Proportional to 158,150.45, 218,178.32 and 92,706.12

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Solution

The fourth proportional to 158,150.45, 218,178.32 and 92,706.12 is: 127,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,150.45 : 218,178.32 = 92,706.12 : x
  2. Step 2: Convert to fraction form
    158,150.45/218,178.32 = 92,706.12/x
  3. Step 3: Cross multiply
    158,150.45x = 218,178.32 × 92,706.12
  4. Step 4: Simplify right side
    158,150.45x = 20,226,465,051.79
  5. Step 5: Solve for x
    x = 20,226,465,051.79/158,150.45
  6. Step 6: Final answer
    x = 127,893.82

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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.