Home / 140,904.52-211,384.40-52,158.76

Finding the Fourth Proportional to 140,904.52, 211,384.40 and 52,158.76

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Solution

The fourth proportional to 140,904.52, 211,384.40 and 52,158.76 is: 78,248.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,904.52 : 211,384.40 = 52,158.76 : x
  2. Step 2: Convert to fraction form
    140,904.52/211,384.40 = 52,158.76/x
  3. Step 3: Cross multiply
    140,904.52x = 211,384.40 × 52,158.76
  4. Step 4: Simplify right side
    140,904.52x = 11,025,548,187.34
  5. Step 5: Solve for x
    x = 11,025,548,187.34/140,904.52
  6. Step 6: Final answer
    x = 78,248.36

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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.