Home / 185,675.79-256,233.36-105,118.86

Finding the Fourth Proportional to 185,675.79, 256,233.36 and 105,118.86

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Solution

The fourth proportional to 185,675.79, 256,233.36 and 105,118.86 is: 145,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,675.79 : 256,233.36 = 105,118.86 : x
  2. Step 2: Convert to fraction form
    185,675.79/256,233.36 = 105,118.86/x
  3. Step 3: Cross multiply
    185,675.79x = 256,233.36 × 105,118.86
  4. Step 4: Simplify right side
    185,675.79x = 26,934,957,793.79
  5. Step 5: Solve for x
    x = 26,934,957,793.79/185,675.79
  6. Step 6: Final answer
    x = 145,064.46

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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.