Home / 156,788.80-235,292.55-100,765.15

Finding the Fourth Proportional to 156,788.80, 235,292.55 and 100,765.15

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Solution

The fourth proportional to 156,788.80, 235,292.55 and 100,765.15 is: 151,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.80 : 235,292.55 = 100,765.15 : x
  2. Step 2: Convert to fraction form
    156,788.80/235,292.55 = 100,765.15/x
  3. Step 3: Cross multiply
    156,788.80x = 235,292.55 × 100,765.15
  4. Step 4: Simplify right side
    156,788.80x = 23,709,289,094.63
  5. Step 5: Solve for x
    x = 23,709,289,094.63/156,788.80
  6. Step 6: Final answer
    x = 151,218.00

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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.