Home / 196,182.51-294,229.91-90,987.81

Finding the Fourth Proportional to 196,182.51, 294,229.91 and 90,987.81

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Solution

The fourth proportional to 196,182.51, 294,229.91 and 90,987.81 is: 136,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,182.51 : 294,229.91 = 90,987.81 : x
  2. Step 2: Convert to fraction form
    196,182.51/294,229.91 = 90,987.81/x
  3. Step 3: Cross multiply
    196,182.51x = 294,229.91 × 90,987.81
  4. Step 4: Simplify right side
    196,182.51x = 26,771,334,692.46
  5. Step 5: Solve for x
    x = 26,771,334,692.46/196,182.51
  6. Step 6: Final answer
    x = 136,461.37

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1.5x scale

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.