Home / 185,608.61-256,140.04-100,725.67

Finding the Fourth Proportional to 185,608.61, 256,140.04 and 100,725.67

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Solution

The fourth proportional to 185,608.61, 256,140.04 and 100,725.67 is: 139,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,608.61 : 256,140.04 = 100,725.67 : x
  2. Step 2: Convert to fraction form
    185,608.61/256,140.04 = 100,725.67/x
  3. Step 3: Cross multiply
    185,608.61x = 256,140.04 × 100,725.67
  4. Step 4: Simplify right side
    185,608.61x = 25,799,877,142.83
  5. Step 5: Solve for x
    x = 25,799,877,142.83/185,608.61
  6. Step 6: Final answer
    x = 139,001.51

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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.