Home / 167,428.20-251,182.80-49,103.40

Finding the Fourth Proportional to 167,428.20, 251,182.80 and 49,103.40

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Solution

The fourth proportional to 167,428.20, 251,182.80 and 49,103.40 is: 73,666.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,428.20 : 251,182.80 = 49,103.40 : x
  2. Step 2: Convert to fraction form
    167,428.20/251,182.80 = 49,103.40/x
  3. Step 3: Cross multiply
    167,428.20x = 251,182.80 × 49,103.40
  4. Step 4: Simplify right side
    167,428.20x = 12,333,929,501.52
  5. Step 5: Solve for x
    x = 12,333,929,501.52/167,428.20
  6. Step 6: Final answer
    x = 73,666.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.