Home / 179,695.20-247,994.16-99,130.16

Finding the Fourth Proportional to 179,695.20, 247,994.16 and 99,130.16

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Solution

The fourth proportional to 179,695.20, 247,994.16 and 99,130.16 is: 136,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,695.20 : 247,994.16 = 99,130.16 : x
  2. Step 2: Convert to fraction form
    179,695.20/247,994.16 = 99,130.16/x
  3. Step 3: Cross multiply
    179,695.20x = 247,994.16 × 99,130.16
  4. Step 4: Simplify right side
    179,695.20x = 24,583,700,759.87
  5. Step 5: Solve for x
    x = 24,583,700,759.87/179,695.20
  6. Step 6: Final answer
    x = 136,807.78

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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.