Home / 185,656.81-256,206.69-100,773.95

Finding the Fourth Proportional to 185,656.81, 256,206.69 and 100,773.95

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Solution

The fourth proportional to 185,656.81, 256,206.69 and 100,773.95 is: 139,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,656.81 : 256,206.69 = 100,773.95 : x
  2. Step 2: Convert to fraction form
    185,656.81/256,206.69 = 100,773.95/x
  3. Step 3: Cross multiply
    185,656.81x = 256,206.69 × 100,773.95
  4. Step 4: Simplify right side
    185,656.81x = 25,818,959,663.86
  5. Step 5: Solve for x
    x = 25,818,959,663.86/185,656.81
  6. Step 6: Final answer
    x = 139,068.21

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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.