Home / 156,809.32-235,268.70-73,709.80

Finding the Fourth Proportional to 156,809.32, 235,268.70 and 73,709.80

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Solution

The fourth proportional to 156,809.32, 235,268.70 and 73,709.80 is: 110,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,809.32 : 235,268.70 = 73,709.80 : x
  2. Step 2: Convert to fraction form
    156,809.32/235,268.70 = 73,709.80/x
  3. Step 3: Cross multiply
    156,809.32x = 235,268.70 × 73,709.80
  4. Step 4: Simplify right side
    156,809.32x = 17,341,608,823.26
  5. Step 5: Solve for x
    x = 17,341,608,823.26/156,809.32
  6. Step 6: Final answer
    x = 110,590.42

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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.