Home / 153,943.98-230,982.50-82,783.45

Finding the Fourth Proportional to 153,943.98, 230,982.50 and 82,783.45

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Solution

The fourth proportional to 153,943.98, 230,982.50 and 82,783.45 is: 124,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,943.98 : 230,982.50 = 82,783.45 : x
  2. Step 2: Convert to fraction form
    153,943.98/230,982.50 = 82,783.45/x
  3. Step 3: Cross multiply
    153,943.98x = 230,982.50 × 82,783.45
  4. Step 4: Simplify right side
    153,943.98x = 19,121,526,670.80
  5. Step 5: Solve for x
    x = 19,121,526,670.80/153,943.98
  6. Step 6: Final answer
    x = 124,210.94

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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.