Home / 176,165.24-243,006.36-112,431.20

Finding the Fourth Proportional to 176,165.24, 243,006.36 and 112,431.20

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Solution

The fourth proportional to 176,165.24, 243,006.36 and 112,431.20 is: 155,090.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,165.24 : 243,006.36 = 112,431.20 : x
  2. Step 2: Convert to fraction form
    176,165.24/243,006.36 = 112,431.20/x
  3. Step 3: Cross multiply
    176,165.24x = 243,006.36 × 112,431.20
  4. Step 4: Simplify right side
    176,165.24x = 27,321,496,662.43
  5. Step 5: Solve for x
    x = 27,321,496,662.43/176,165.24
  6. Step 6: Final answer
    x = 155,090.17

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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.