Home / 185,608.86-256,140.21-100,725.93

Finding the Fourth Proportional to 185,608.86, 256,140.21 and 100,725.93

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Solution

The fourth proportional to 185,608.86, 256,140.21 and 100,725.93 is: 139,001.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,608.86 : 256,140.21 = 100,725.93 : x
  2. Step 2: Convert to fraction form
    185,608.86/256,140.21 = 100,725.93/x
  3. Step 3: Cross multiply
    185,608.86x = 256,140.21 × 100,725.93
  4. Step 4: Simplify right side
    185,608.86x = 25,799,960,862.65
  5. Step 5: Solve for x
    x = 25,799,960,862.65/185,608.86
  6. Step 6: Final answer
    x = 139,001.77

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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.