Home / 156,777.06-235,170.05-38,448.30

Finding the Fourth Proportional to 156,777.06, 235,170.05 and 38,448.30

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Solution

The fourth proportional to 156,777.06, 235,170.05 and 38,448.30 is: 57,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.06 : 235,170.05 = 38,448.30 : x
  2. Step 2: Convert to fraction form
    156,777.06/235,170.05 = 38,448.30/x
  3. Step 3: Cross multiply
    156,777.06x = 235,170.05 × 38,448.30
  4. Step 4: Simplify right side
    156,777.06x = 9,041,888,633.42
  5. Step 5: Solve for x
    x = 9,041,888,633.42/156,777.06
  6. Step 6: Final answer
    x = 57,673.54

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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.