Home / 511,823.93-767,708.19-156,839.00

Finding the Fourth Proportional to 511,823.93, 767,708.19 and 156,839.00

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Solution

The fourth proportional to 511,823.93, 767,708.19 and 156,839.00 is: 235,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,823.93 : 767,708.19 = 156,839.00 : x
  2. Step 2: Convert to fraction form
    511,823.93/767,708.19 = 156,839.00/x
  3. Step 3: Cross multiply
    511,823.93x = 767,708.19 × 156,839.00
  4. Step 4: Simplify right side
    511,823.93x = 120,406,580,972.87
  5. Step 5: Solve for x
    x = 120,406,580,972.87/511,823.93
  6. Step 6: Final answer
    x = 235,250.01

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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.