Home / 114,549.20-171,823.80-79,557.20

Finding the Fourth Proportional to 114,549.20, 171,823.80 and 79,557.20

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Solution

The fourth proportional to 114,549.20, 171,823.80 and 79,557.20 is: 119,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,549.20 : 171,823.80 = 79,557.20 : x
  2. Step 2: Convert to fraction form
    114,549.20/171,823.80 = 79,557.20/x
  3. Step 3: Cross multiply
    114,549.20x = 171,823.80 × 79,557.20
  4. Step 4: Simplify right side
    114,549.20x = 13,669,820,421.36
  5. Step 5: Solve for x
    x = 13,669,820,421.36/114,549.20
  6. Step 6: Final answer
    x = 119,335.80

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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.