Home / 185,780.01-256,377.75-100,897.06

Finding the Fourth Proportional to 185,780.01, 256,377.75 and 100,897.06

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Solution

The fourth proportional to 185,780.01, 256,377.75 and 100,897.06 is: 139,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,780.01 : 256,377.75 = 100,897.06 : x
  2. Step 2: Convert to fraction form
    185,780.01/256,377.75 = 100,897.06/x
  3. Step 3: Cross multiply
    185,780.01x = 256,377.75 × 100,897.06
  4. Step 4: Simplify right side
    185,780.01x = 25,867,761,224.42
  5. Step 5: Solve for x
    x = 25,867,761,224.42/185,780.01
  6. Step 6: Final answer
    x = 139,238.67

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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.