Home / 156,740.20-235,110.30-116,823.40

Finding the Fourth Proportional to 156,740.20, 235,110.30 and 116,823.40

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Solution

The fourth proportional to 156,740.20, 235,110.30 and 116,823.40 is: 175,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740.20 : 235,110.30 = 116,823.40 : x
  2. Step 2: Convert to fraction form
    156,740.20/235,110.30 = 116,823.40/x
  3. Step 3: Cross multiply
    156,740.20x = 235,110.30 × 116,823.40
  4. Step 4: Simplify right side
    156,740.20x = 27,466,384,621.02
  5. Step 5: Solve for x
    x = 27,466,384,621.02/156,740.20
  6. Step 6: Final answer
    x = 175,235.10

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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.