Home / 156,713.15-235,069.73-45,905.15

Finding the Fourth Proportional to 156,713.15, 235,069.73 and 45,905.15

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Solution

The fourth proportional to 156,713.15, 235,069.73 and 45,905.15 is: 68,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,713.15 : 235,069.73 = 45,905.15 : x
  2. Step 2: Convert to fraction form
    156,713.15/235,069.73 = 45,905.15/x
  3. Step 3: Cross multiply
    156,713.15x = 235,069.73 × 45,905.15
  4. Step 4: Simplify right side
    156,713.15x = 10,790,911,216.11
  5. Step 5: Solve for x
    x = 10,790,911,216.11/156,713.15
  6. Step 6: Final answer
    x = 68,857.73

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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.