Home / 155,913.18-233,811.15-123,020.70

Finding the Fourth Proportional to 155,913.18, 233,811.15 and 123,020.70

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Solution

The fourth proportional to 155,913.18, 233,811.15 and 123,020.70 is: 184,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,913.18 : 233,811.15 = 123,020.70 : x
  2. Step 2: Convert to fraction form
    155,913.18/233,811.15 = 123,020.70/x
  3. Step 3: Cross multiply
    155,913.18x = 233,811.15 × 123,020.70
  4. Step 4: Simplify right side
    155,913.18x = 28,763,611,340.81
  5. Step 5: Solve for x
    x = 28,763,611,340.81/155,913.18
  6. Step 6: Final answer
    x = 184,484.80

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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.