Home / 155,435.88-233,153.79-55,590.02

Finding the Fourth Proportional to 155,435.88, 233,153.79 and 55,590.02

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Solution

The fourth proportional to 155,435.88, 233,153.79 and 55,590.02 is: 83,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,435.88 : 233,153.79 = 55,590.02 : x
  2. Step 2: Convert to fraction form
    155,435.88/233,153.79 = 55,590.02/x
  3. Step 3: Cross multiply
    155,435.88x = 233,153.79 × 55,590.02
  4. Step 4: Simplify right side
    155,435.88x = 12,961,023,849.18
  5. Step 5: Solve for x
    x = 12,961,023,849.18/155,435.88
  6. Step 6: Final answer
    x = 83,385.02

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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.