Home / 155,186.98-232,943.35-137,530.60

Finding the Fourth Proportional to 155,186.98, 232,943.35 and 137,530.60

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Solution

The fourth proportional to 155,186.98, 232,943.35 and 137,530.60 is: 206,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,186.98 : 232,943.35 = 137,530.60 : x
  2. Step 2: Convert to fraction form
    155,186.98/232,943.35 = 137,530.60/x
  3. Step 3: Cross multiply
    155,186.98x = 232,943.35 × 137,530.60
  4. Step 4: Simplify right side
    155,186.98x = 32,036,837,526.79
  5. Step 5: Solve for x
    x = 32,036,837,526.79/155,186.98
  6. Step 6: Final answer
    x = 206,440.25

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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.