Home / 168,870.18-253,595.36-149,937.45

Finding the Fourth Proportional to 168,870.18, 253,595.36 and 149,937.45

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Solution

The fourth proportional to 168,870.18, 253,595.36 and 149,937.45 is: 225,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,870.18 : 253,595.36 = 149,937.45 : x
  2. Step 2: Convert to fraction form
    168,870.18/253,595.36 = 149,937.45/x
  3. Step 3: Cross multiply
    168,870.18x = 253,595.36 × 149,937.45
  4. Step 4: Simplify right side
    168,870.18x = 38,023,440,860.54
  5. Step 5: Solve for x
    x = 38,023,440,860.54/168,870.18
  6. Step 6: Final answer
    x = 225,163.74

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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.