Home / 156,749.44-216,308.08-85,127.84

Finding the Fourth Proportional to 156,749.44, 216,308.08 and 85,127.84

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Solution

The fourth proportional to 156,749.44, 216,308.08 and 85,127.84 is: 117,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,749.44 : 216,308.08 = 85,127.84 : x
  2. Step 2: Convert to fraction form
    156,749.44/216,308.08 = 85,127.84/x
  3. Step 3: Cross multiply
    156,749.44x = 216,308.08 × 85,127.84
  4. Step 4: Simplify right side
    156,749.44x = 18,413,839,624.95
  5. Step 5: Solve for x
    x = 18,413,839,624.95/156,749.44
  6. Step 6: Final answer
    x = 117,473.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.