Home / 175,585.44-242,308.77-99,107.78

Finding the Fourth Proportional to 175,585.44, 242,308.77 and 99,107.78

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Solution

The fourth proportional to 175,585.44, 242,308.77 and 99,107.78 is: 136,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,585.44 : 242,308.77 = 99,107.78 : x
  2. Step 2: Convert to fraction form
    175,585.44/242,308.77 = 99,107.78/x
  3. Step 3: Cross multiply
    175,585.44x = 242,308.77 × 99,107.78
  4. Step 4: Simplify right side
    175,585.44x = 24,014,683,057.69
  5. Step 5: Solve for x
    x = 24,014,683,057.69/175,585.44
  6. Step 6: Final answer
    x = 136,769.22

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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.