Home / 131,951.32-182,117.20-75,362.70

Finding the Fourth Proportional to 131,951.32, 182,117.20 and 75,362.70

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Solution

The fourth proportional to 131,951.32, 182,117.20 and 75,362.70 is: 104,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,951.32 : 182,117.20 = 75,362.70 : x
  2. Step 2: Convert to fraction form
    131,951.32/182,117.20 = 75,362.70/x
  3. Step 3: Cross multiply
    131,951.32x = 182,117.20 × 75,362.70
  4. Step 4: Simplify right side
    131,951.32x = 13,724,843,908.44
  5. Step 5: Solve for x
    x = 13,724,843,908.44/131,951.32
  6. Step 6: Final answer
    x = 104,014.45

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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.