Home / 155,988.18-234,006.75-67,266.90

Finding the Fourth Proportional to 155,988.18, 234,006.75 and 67,266.90

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Solution

The fourth proportional to 155,988.18, 234,006.75 and 67,266.90 is: 100,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,988.18 : 234,006.75 = 67,266.90 : x
  2. Step 2: Convert to fraction form
    155,988.18/234,006.75 = 67,266.90/x
  3. Step 3: Cross multiply
    155,988.18x = 234,006.75 × 67,266.90
  4. Step 4: Simplify right side
    155,988.18x = 15,740,908,651.58
  5. Step 5: Solve for x
    x = 15,740,908,651.58/155,988.18
  6. Step 6: Final answer
    x = 100,910.91

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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.