Home / 160,038.69-220,666.05-109,081.59

Finding the Fourth Proportional to 160,038.69, 220,666.05 and 109,081.59

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Solution

The fourth proportional to 160,038.69, 220,666.05 and 109,081.59 is: 150,404.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,038.69 : 220,666.05 = 109,081.59 : x
  2. Step 2: Convert to fraction form
    160,038.69/220,666.05 = 109,081.59/x
  3. Step 3: Cross multiply
    160,038.69x = 220,666.05 × 109,081.59
  4. Step 4: Simplify right side
    160,038.69x = 24,070,603,593.02
  5. Step 5: Solve for x
    x = 24,070,603,593.02/160,038.69
  6. Step 6: Final answer
    x = 150,404.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.