Home / 156,741.20-235,111.80-116,824.40

Finding the Fourth Proportional to 156,741.20, 235,111.80 and 116,824.40

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Solution

The fourth proportional to 156,741.20, 235,111.80 and 116,824.40 is: 175,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.20 : 235,111.80 = 116,824.40 : x
  2. Step 2: Convert to fraction form
    156,741.20/235,111.80 = 116,824.40/x
  3. Step 3: Cross multiply
    156,741.20x = 235,111.80 × 116,824.40
  4. Step 4: Simplify right side
    156,741.20x = 27,466,794,967.92
  5. Step 5: Solve for x
    x = 27,466,794,967.92/156,741.20
  6. Step 6: Final answer
    x = 175,236.60

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1.5x scale

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.