Home / 140,509.39-210,397.23-92,326.50

Finding the Fourth Proportional to 140,509.39, 210,397.23 and 92,326.50

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Solution

The fourth proportional to 140,509.39, 210,397.23 and 92,326.50 is: 138,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,509.39 : 210,397.23 = 92,326.50 : x
  2. Step 2: Convert to fraction form
    140,509.39/210,397.23 = 92,326.50/x
  3. Step 3: Cross multiply
    140,509.39x = 210,397.23 × 92,326.50
  4. Step 4: Simplify right side
    140,509.39x = 19,425,239,393.96
  5. Step 5: Solve for x
    x = 19,425,239,393.96/140,509.39
  6. Step 6: Final answer
    x = 138,248.69

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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.