Home / 188,572.08-282,818.32-55,416.20

Finding the Fourth Proportional to 188,572.08, 282,818.32 and 55,416.20

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Solution

The fourth proportional to 188,572.08, 282,818.32 and 55,416.20 is: 83,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,572.08 : 282,818.32 = 55,416.20 : x
  2. Step 2: Convert to fraction form
    188,572.08/282,818.32 = 55,416.20/x
  3. Step 3: Cross multiply
    188,572.08x = 282,818.32 × 55,416.20
  4. Step 4: Simplify right side
    188,572.08x = 15,672,716,584.78
  5. Step 5: Solve for x
    x = 15,672,716,584.78/188,572.08
  6. Step 6: Final answer
    x = 83,112.60

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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.