Home / 170,932.11-256,526.19-64,421.12

Finding the Fourth Proportional to 170,932.11, 256,526.19 and 64,421.12

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Solution

The fourth proportional to 170,932.11, 256,526.19 and 64,421.12 is: 96,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,932.11 : 256,526.19 = 64,421.12 : x
  2. Step 2: Convert to fraction form
    170,932.11/256,526.19 = 64,421.12/x
  3. Step 3: Cross multiply
    170,932.11x = 256,526.19 × 64,421.12
  4. Step 4: Simplify right side
    170,932.11x = 16,525,705,110.45
  5. Step 5: Solve for x
    x = 16,525,705,110.45/170,932.11
  6. Step 6: Final answer
    x = 96,679.94

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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.