Home / 163,425.48-225,532.98-91,803.93

Finding the Fourth Proportional to 163,425.48, 225,532.98 and 91,803.93

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Solution

The fourth proportional to 163,425.48, 225,532.98 and 91,803.93 is: 126,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,425.48 : 225,532.98 = 91,803.93 : x
  2. Step 2: Convert to fraction form
    163,425.48/225,532.98 = 91,803.93/x
  3. Step 3: Cross multiply
    163,425.48x = 225,532.98 × 91,803.93
  4. Step 4: Simplify right side
    163,425.48x = 20,704,813,908.61
  5. Step 5: Solve for x
    x = 20,704,813,908.61/163,425.48
  6. Step 6: Final answer
    x = 126,692.69

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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.