Home / 207,574.18-286,153.77-147,854.50

Finding the Fourth Proportional to 207,574.18, 286,153.77 and 147,854.50

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Solution

The fourth proportional to 207,574.18, 286,153.77 and 147,854.50 is: 203,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,574.18 : 286,153.77 = 147,854.50 : x
  2. Step 2: Convert to fraction form
    207,574.18/286,153.77 = 147,854.50/x
  3. Step 3: Cross multiply
    207,574.18x = 286,153.77 × 147,854.50
  4. Step 4: Simplify right side
    207,574.18x = 42,309,122,586.47
  5. Step 5: Solve for x
    x = 42,309,122,586.47/207,574.18
  6. Step 6: Final answer
    x = 203,826.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.