Home / 156,784.90-235,177.35-154,192.90

Finding the Fourth Proportional to 156,784.90, 235,177.35 and 154,192.90

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Solution

The fourth proportional to 156,784.90, 235,177.35 and 154,192.90 is: 231,289.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.90 : 235,177.35 = 154,192.90 : x
  2. Step 2: Convert to fraction form
    156,784.90/235,177.35 = 154,192.90/x
  3. Step 3: Cross multiply
    156,784.90x = 235,177.35 × 154,192.90
  4. Step 4: Simplify right side
    156,784.90x = 36,262,677,610.82
  5. Step 5: Solve for x
    x = 36,262,677,610.82/156,784.90
  6. Step 6: Final answer
    x = 231,289.35

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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.