Home / 156,986.90-235,480.35-97,889.30

Finding the Fourth Proportional to 156,986.90, 235,480.35 and 97,889.30

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Solution

The fourth proportional to 156,986.90, 235,480.35 and 97,889.30 is: 146,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.90 : 235,480.35 = 97,889.30 : x
  2. Step 2: Convert to fraction form
    156,986.90/235,480.35 = 97,889.30/x
  3. Step 3: Cross multiply
    156,986.90x = 235,480.35 × 97,889.30
  4. Step 4: Simplify right side
    156,986.90x = 23,051,006,625.26
  5. Step 5: Solve for x
    x = 23,051,006,625.26/156,986.90
  6. Step 6: Final answer
    x = 146,833.95

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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.