Home / 185,585.67-256,108.25-105,011.55

Finding the Fourth Proportional to 185,585.67, 256,108.25 and 105,011.55

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Solution

The fourth proportional to 185,585.67, 256,108.25 and 105,011.55 is: 144,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,585.67 : 256,108.25 = 105,011.55 : x
  2. Step 2: Convert to fraction form
    185,585.67/256,108.25 = 105,011.55/x
  3. Step 3: Cross multiply
    185,585.67x = 256,108.25 × 105,011.55
  4. Step 4: Simplify right side
    185,585.67x = 26,894,323,775.23
  5. Step 5: Solve for x
    x = 26,894,323,775.23/185,585.67
  6. Step 6: Final answer
    x = 144,915.95

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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.