Home / 192,362.79-289,857.20-158,070.63

Finding the Fourth Proportional to 192,362.79, 289,857.20 and 158,070.63

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Solution

The fourth proportional to 192,362.79, 289,857.20 and 158,070.63 is: 238,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,362.79 : 289,857.20 = 158,070.63 : x
  2. Step 2: Convert to fraction form
    192,362.79/289,857.20 = 158,070.63/x
  3. Step 3: Cross multiply
    192,362.79x = 289,857.20 × 158,070.63
  4. Step 4: Simplify right side
    192,362.79x = 45,817,910,609.21
  5. Step 5: Solve for x
    x = 45,817,910,609.21/192,362.79
  6. Step 6: Final answer
    x = 238,184.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.