Home / 156,848.00-216,451.53-85,228.02

Finding the Fourth Proportional to 156,848.00, 216,451.53 and 85,228.02

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Solution

The fourth proportional to 156,848.00, 216,451.53 and 85,228.02 is: 117,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.00 : 216,451.53 = 85,228.02 : x
  2. Step 2: Convert to fraction form
    156,848.00/216,451.53 = 85,228.02/x
  3. Step 3: Cross multiply
    156,848.00x = 216,451.53 × 85,228.02
  4. Step 4: Simplify right side
    156,848.00x = 18,447,734,516.18
  5. Step 5: Solve for x
    x = 18,447,734,516.18/156,848.00
  6. Step 6: Final answer
    x = 117,615.37

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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.