Home / 196,127.48-270,332.48-138,692.72

Finding the Fourth Proportional to 196,127.48, 270,332.48 and 138,692.72

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Solution

The fourth proportional to 196,127.48, 270,332.48 and 138,692.72 is: 191,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,127.48 : 270,332.48 = 138,692.72 : x
  2. Step 2: Convert to fraction form
    196,127.48/270,332.48 = 138,692.72/x
  3. Step 3: Cross multiply
    196,127.48x = 270,332.48 × 138,692.72
  4. Step 4: Simplify right side
    196,127.48x = 37,493,144,910.42
  5. Step 5: Solve for x
    x = 37,493,144,910.42/196,127.48
  6. Step 6: Final answer
    x = 191,167.22

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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.