Home / 122,210.20-183,315.30-88,530.40

Finding the Fourth Proportional to 122,210.20, 183,315.30 and 88,530.40

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Solution

The fourth proportional to 122,210.20, 183,315.30 and 88,530.40 is: 132,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,210.20 : 183,315.30 = 88,530.40 : x
  2. Step 2: Convert to fraction form
    122,210.20/183,315.30 = 88,530.40/x
  3. Step 3: Cross multiply
    122,210.20x = 183,315.30 × 88,530.40
  4. Step 4: Simplify right side
    122,210.20x = 16,228,976,835.12
  5. Step 5: Solve for x
    x = 16,228,976,835.12/122,210.20
  6. Step 6: Final answer
    x = 132,795.60

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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.