Home / 236,658.93-355,117.55-137,013.74

Finding the Fourth Proportional to 236,658.93, 355,117.55 and 137,013.74

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Solution

The fourth proportional to 236,658.93, 355,117.55 and 137,013.74 is: 205,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,658.93 : 355,117.55 = 137,013.74 : x
  2. Step 2: Convert to fraction form
    236,658.93/355,117.55 = 137,013.74/x
  3. Step 3: Cross multiply
    236,658.93x = 355,117.55 × 137,013.74
  4. Step 4: Simplify right side
    236,658.93x = 48,655,984,384.28
  5. Step 5: Solve for x
    x = 48,655,984,384.28/236,658.93
  6. Step 6: Final answer
    x = 205,595.39

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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.