Home / 115,205.01-158,967.22-64,211.69

Finding the Fourth Proportional to 115,205.01, 158,967.22 and 64,211.69

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Solution

The fourth proportional to 115,205.01, 158,967.22 and 64,211.69 is: 88,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,205.01 : 158,967.22 = 64,211.69 : x
  2. Step 2: Convert to fraction form
    115,205.01/158,967.22 = 64,211.69/x
  3. Step 3: Cross multiply
    115,205.01x = 158,967.22 × 64,211.69
  4. Step 4: Simplify right side
    115,205.01x = 10,207,553,404.19
  5. Step 5: Solve for x
    x = 10,207,553,404.19/115,205.01
  6. Step 6: Final answer
    x = 88,603.38

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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.