Home / 185,820.75-256,437.32-100,937.79

Finding the Fourth Proportional to 185,820.75, 256,437.32 and 100,937.79

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Solution

The fourth proportional to 185,820.75, 256,437.32 and 100,937.79 is: 139,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,820.75 : 256,437.32 = 100,937.79 : x
  2. Step 2: Convert to fraction form
    185,820.75/256,437.32 = 100,937.79/x
  3. Step 3: Cross multiply
    185,820.75x = 256,437.32 × 100,937.79
  4. Step 4: Simplify right side
    185,820.75x = 25,884,215,849.63
  5. Step 5: Solve for x
    x = 25,884,215,849.63/185,820.75
  6. Step 6: Final answer
    x = 139,296.69

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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.