Home / 192,420.08-288,507.86-168,775.11

Finding the Fourth Proportional to 192,420.08, 288,507.86 and 168,775.11

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Solution

The fourth proportional to 192,420.08, 288,507.86 and 168,775.11 is: 253,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,420.08 : 288,507.86 = 168,775.11 : x
  2. Step 2: Convert to fraction form
    192,420.08/288,507.86 = 168,775.11/x
  3. Step 3: Cross multiply
    192,420.08x = 288,507.86 × 168,775.11
  4. Step 4: Simplify right side
    192,420.08x = 48,692,944,514.49
  5. Step 5: Solve for x
    x = 48,692,944,514.49/192,420.08
  6. Step 6: Final answer
    x = 253,055.43

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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.