Home / 226,728.72-312,877.08-126,133.20

Finding the Fourth Proportional to 226,728.72, 312,877.08 and 126,133.20

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Solution

The fourth proportional to 226,728.72, 312,877.08 and 126,133.20 is: 174,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,728.72 : 312,877.08 = 126,133.20 : x
  2. Step 2: Convert to fraction form
    226,728.72/312,877.08 = 126,133.20/x
  3. Step 3: Cross multiply
    226,728.72x = 312,877.08 × 126,133.20
  4. Step 4: Simplify right side
    226,728.72x = 39,464,187,307.06
  5. Step 5: Solve for x
    x = 39,464,187,307.06/226,728.72
  6. Step 6: Final answer
    x = 174,059.06

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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.