Home / 262,263.48-391,902.22-196,921.91

Finding the Fourth Proportional to 262,263.48, 391,902.22 and 196,921.91

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Solution

The fourth proportional to 262,263.48, 391,902.22 and 196,921.91 is: 294,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,263.48 : 391,902.22 = 196,921.91 : x
  2. Step 2: Convert to fraction form
    262,263.48/391,902.22 = 196,921.91/x
  3. Step 3: Cross multiply
    262,263.48x = 391,902.22 × 196,921.91
  4. Step 4: Simplify right side
    262,263.48x = 77,174,132,717.10
  5. Step 5: Solve for x
    x = 77,174,132,717.10/262,263.48
  6. Step 6: Final answer
    x = 294,261.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.