Home / 148,343.23-204,713.47-80,360.48

Finding the Fourth Proportional to 148,343.23, 204,713.47 and 80,360.48

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Solution

The fourth proportional to 148,343.23, 204,713.47 and 80,360.48 is: 110,897.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,343.23 : 204,713.47 = 80,360.48 : x
  2. Step 2: Convert to fraction form
    148,343.23/204,713.47 = 80,360.48/x
  3. Step 3: Cross multiply
    148,343.23x = 204,713.47 × 80,360.48
  4. Step 4: Simplify right side
    148,343.23x = 16,450,872,830.63
  5. Step 5: Solve for x
    x = 16,450,872,830.63/148,343.23
  6. Step 6: Final answer
    x = 110,897.36

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1.5x scale

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.