Home / 185,741.01-278,658.63-85,973.04

Finding the Fourth Proportional to 185,741.01, 278,658.63 and 85,973.04

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Solution

The fourth proportional to 185,741.01, 278,658.63 and 85,973.04 is: 128,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,741.01 : 278,658.63 = 85,973.04 : x
  2. Step 2: Convert to fraction form
    185,741.01/278,658.63 = 85,973.04/x
  3. Step 3: Cross multiply
    185,741.01x = 278,658.63 × 85,973.04
  4. Step 4: Simplify right side
    185,741.01x = 23,957,129,543.34
  5. Step 5: Solve for x
    x = 23,957,129,543.34/185,741.01
  6. Step 6: Final answer
    x = 128,981.37

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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.