Home / 147,566.32-203,620.98-83,897.08

Finding the Fourth Proportional to 147,566.32, 203,620.98 and 83,897.08

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Solution

The fourth proportional to 147,566.32, 203,620.98 and 83,897.08 is: 115,766.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,566.32 : 203,620.98 = 83,897.08 : x
  2. Step 2: Convert to fraction form
    147,566.32/203,620.98 = 83,897.08/x
  3. Step 3: Cross multiply
    147,566.32x = 203,620.98 × 83,897.08
  4. Step 4: Simplify right side
    147,566.32x = 17,083,205,648.74
  5. Step 5: Solve for x
    x = 17,083,205,648.74/147,566.32
  6. Step 6: Final answer
    x = 115,766.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.