Home / 142,538.08-196,523.66-104,266.80

Finding the Fourth Proportional to 142,538.08, 196,523.66 and 104,266.80

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Solution

The fourth proportional to 142,538.08, 196,523.66 and 104,266.80 is: 143,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,538.08 : 196,523.66 = 104,266.80 : x
  2. Step 2: Convert to fraction form
    142,538.08/196,523.66 = 104,266.80/x
  3. Step 3: Cross multiply
    142,538.08x = 196,523.66 × 104,266.80
  4. Step 4: Simplify right side
    142,538.08x = 20,490,893,152.49
  5. Step 5: Solve for x
    x = 20,490,893,152.49/142,538.08
  6. Step 6: Final answer
    x = 143,757.33

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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.