Home / 188,024.66-259,474.08-103,141.72

Finding the Fourth Proportional to 188,024.66, 259,474.08 and 103,141.72

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Solution

The fourth proportional to 188,024.66, 259,474.08 and 103,141.72 is: 142,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,024.66 : 259,474.08 = 103,141.72 : x
  2. Step 2: Convert to fraction form
    188,024.66/259,474.08 = 103,141.72/x
  3. Step 3: Cross multiply
    188,024.66x = 259,474.08 × 103,141.72
  4. Step 4: Simplify right side
    188,024.66x = 26,762,602,390.91
  5. Step 5: Solve for x
    x = 26,762,602,390.91/188,024.66
  6. Step 6: Final answer
    x = 142,335.60

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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.