Home / 185,814.64-256,423.07-100,930.96

Finding the Fourth Proportional to 185,814.64, 256,423.07 and 100,930.96

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Solution

The fourth proportional to 185,814.64, 256,423.07 and 100,930.96 is: 139,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,814.64 : 256,423.07 = 100,930.96 : x
  2. Step 2: Convert to fraction form
    185,814.64/256,423.07 = 100,930.96/x
  3. Step 3: Cross multiply
    185,814.64x = 256,423.07 × 100,930.96
  4. Step 4: Simplify right side
    185,814.64x = 25,881,026,621.25
  5. Step 5: Solve for x
    x = 25,881,026,621.25/185,814.64
  6. Step 6: Final answer
    x = 139,284.11

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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.