Home / 307,822.15-462,017.06-156,125.70

Finding the Fourth Proportional to 307,822.15, 462,017.06 and 156,125.70

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Solution

The fourth proportional to 307,822.15, 462,017.06 and 156,125.70 is: 234,332.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,822.15 : 462,017.06 = 156,125.70 : x
  2. Step 2: Convert to fraction form
    307,822.15/462,017.06 = 156,125.70/x
  3. Step 3: Cross multiply
    307,822.15x = 462,017.06 × 156,125.70
  4. Step 4: Simplify right side
    307,822.15x = 72,132,736,904.44
  5. Step 5: Solve for x
    x = 72,132,736,904.44/307,822.15
  6. Step 6: Final answer
    x = 234,332.51

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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.