Home / 185,720.07-278,595.65-59,378.30

Finding the Fourth Proportional to 185,720.07, 278,595.65 and 59,378.30

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Solution

The fourth proportional to 185,720.07, 278,595.65 and 59,378.30 is: 89,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,720.07 : 278,595.65 = 59,378.30 : x
  2. Step 2: Convert to fraction form
    185,720.07/278,595.65 = 59,378.30/x
  3. Step 3: Cross multiply
    185,720.07x = 278,595.65 × 59,378.30
  4. Step 4: Simplify right side
    185,720.07x = 16,542,535,884.60
  5. Step 5: Solve for x
    x = 16,542,535,884.60/185,720.07
  6. Step 6: Final answer
    x = 89,072.42

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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.