Home / 186,117.62-256,865.12-109,632.76

Finding the Fourth Proportional to 186,117.62, 256,865.12 and 109,632.76

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Solution

The fourth proportional to 186,117.62, 256,865.12 and 109,632.76 is: 151,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,117.62 : 256,865.12 = 109,632.76 : x
  2. Step 2: Convert to fraction form
    186,117.62/256,865.12 = 109,632.76/x
  3. Step 3: Cross multiply
    186,117.62x = 256,865.12 × 109,632.76
  4. Step 4: Simplify right side
    186,117.62x = 28,160,831,826.25
  5. Step 5: Solve for x
    x = 28,160,831,826.25/186,117.62
  6. Step 6: Final answer
    x = 151,306.64

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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.