Home / 148,664.01-205,157.84-80,681.59

Finding the Fourth Proportional to 148,664.01, 205,157.84 and 80,681.59

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Solution

The fourth proportional to 148,664.01, 205,157.84 and 80,681.59 is: 111,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,664.01 : 205,157.84 = 80,681.59 : x
  2. Step 2: Convert to fraction form
    148,664.01/205,157.84 = 80,681.59/x
  3. Step 3: Cross multiply
    148,664.01x = 205,157.84 × 80,681.59
  4. Step 4: Simplify right side
    148,664.01x = 16,552,460,732.17
  5. Step 5: Solve for x
    x = 16,552,460,732.17/148,664.01
  6. Step 6: Final answer
    x = 111,341.41

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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.