Home / 144,665.78-199,505.60-99,263.66

Finding the Fourth Proportional to 144,665.78, 199,505.60 and 99,263.66

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Solution

The fourth proportional to 144,665.78, 199,505.60 and 99,263.66 is: 136,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,665.78 : 199,505.60 = 99,263.66 : x
  2. Step 2: Convert to fraction form
    144,665.78/199,505.60 = 99,263.66/x
  3. Step 3: Cross multiply
    144,665.78x = 199,505.60 × 99,263.66
  4. Step 4: Simplify right side
    144,665.78x = 19,803,656,046.50
  5. Step 5: Solve for x
    x = 19,803,656,046.50/144,665.78
  6. Step 6: Final answer
    x = 136,892.47

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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.