Home / 156,784.40-235,176.60-45,976.40

Finding the Fourth Proportional to 156,784.40, 235,176.60 and 45,976.40

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Solution

The fourth proportional to 156,784.40, 235,176.60 and 45,976.40 is: 68,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.40 : 235,176.60 = 45,976.40 : x
  2. Step 2: Convert to fraction form
    156,784.40/235,176.60 = 45,976.40/x
  3. Step 3: Cross multiply
    156,784.40x = 235,176.60 × 45,976.40
  4. Step 4: Simplify right side
    156,784.40x = 10,812,573,432.24
  5. Step 5: Solve for x
    x = 10,812,573,432.24/156,784.40
  6. Step 6: Final answer
    x = 68,964.60

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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.