Home / 148,643.81-222,999.77-64,418.10

Finding the Fourth Proportional to 148,643.81, 222,999.77 and 64,418.10

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Solution

The fourth proportional to 148,643.81, 222,999.77 and 64,418.10 is: 96,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,643.81 : 222,999.77 = 64,418.10 : x
  2. Step 2: Convert to fraction form
    148,643.81/222,999.77 = 64,418.10/x
  3. Step 3: Cross multiply
    148,643.81x = 222,999.77 × 64,418.10
  4. Step 4: Simplify right side
    148,643.81x = 14,365,221,700.66
  5. Step 5: Solve for x
    x = 14,365,221,700.66/148,643.81
  6. Step 6: Final answer
    x = 96,641.91

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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.