Home / 155,318.58-232,830.23-99,000.59

Finding the Fourth Proportional to 155,318.58, 232,830.23 and 99,000.59

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Solution

The fourth proportional to 155,318.58, 232,830.23 and 99,000.59 is: 148,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,318.58 : 232,830.23 = 99,000.59 : x
  2. Step 2: Convert to fraction form
    155,318.58/232,830.23 = 99,000.59/x
  3. Step 3: Cross multiply
    155,318.58x = 232,830.23 × 99,000.59
  4. Step 4: Simplify right side
    155,318.58x = 23,050,328,480.68
  5. Step 5: Solve for x
    x = 23,050,328,480.68/155,318.58
  6. Step 6: Final answer
    x = 148,406.77

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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.