Home / 192,712.08-288,968.50-84,597.20

Finding the Fourth Proportional to 192,712.08, 288,968.50 and 84,597.20

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Solution

The fourth proportional to 192,712.08, 288,968.50 and 84,597.20 is: 126,852.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,712.08 : 288,968.50 = 84,597.20 : x
  2. Step 2: Convert to fraction form
    192,712.08/288,968.50 = 84,597.20/x
  3. Step 3: Cross multiply
    192,712.08x = 288,968.50 × 84,597.20
  4. Step 4: Simplify right side
    192,712.08x = 24,445,925,988.20
  5. Step 5: Solve for x
    x = 24,445,925,988.20/192,712.08
  6. Step 6: Final answer
    x = 126,852.07

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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.