Home / 176,724.32-243,969.92-136,347.36

Finding the Fourth Proportional to 176,724.32, 243,969.92 and 136,347.36

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Solution

The fourth proportional to 176,724.32, 243,969.92 and 136,347.36 is: 188,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,724.32 : 243,969.92 = 136,347.36 : x
  2. Step 2: Convert to fraction form
    176,724.32/243,969.92 = 136,347.36/x
  3. Step 3: Cross multiply
    176,724.32x = 243,969.92 × 136,347.36
  4. Step 4: Simplify right side
    176,724.32x = 33,264,654,511.41
  5. Step 5: Solve for x
    x = 33,264,654,511.41/176,724.32
  6. Step 6: Final answer
    x = 188,229.07

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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.