Home / 179,707.32-247,998.98-99,133.40

Finding the Fourth Proportional to 179,707.32, 247,998.98 and 99,133.40

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Solution

The fourth proportional to 179,707.32, 247,998.98 and 99,133.40 is: 136,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,707.32 : 247,998.98 = 99,133.40 : x
  2. Step 2: Convert to fraction form
    179,707.32/247,998.98 = 99,133.40/x
  3. Step 3: Cross multiply
    179,707.32x = 247,998.98 × 99,133.40
  4. Step 4: Simplify right side
    179,707.32x = 24,584,982,083.93
  5. Step 5: Solve for x
    x = 24,584,982,083.93/179,707.32
  6. Step 6: Final answer
    x = 136,805.68

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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.