Home / 176,209.32-243,165.24-99,727.05

Finding the Fourth Proportional to 176,209.32, 243,165.24 and 99,727.05

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Solution

The fourth proportional to 176,209.32, 243,165.24 and 99,727.05 is: 137,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,209.32 : 243,165.24 = 99,727.05 : x
  2. Step 2: Convert to fraction form
    176,209.32/243,165.24 = 99,727.05/x
  3. Step 3: Cross multiply
    176,209.32x = 243,165.24 × 99,727.05
  4. Step 4: Simplify right side
    176,209.32x = 24,250,151,591.81
  5. Step 5: Solve for x
    x = 24,250,151,591.81/176,209.32
  6. Step 6: Final answer
    x = 137,621.27

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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.