Home / 209,726.58-314,515.76-67,566.12

Finding the Fourth Proportional to 209,726.58, 314,515.76 and 67,566.12

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Solution

The fourth proportional to 209,726.58, 314,515.76 and 67,566.12 is: 101,325.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726.58 : 314,515.76 = 67,566.12 : x
  2. Step 2: Convert to fraction form
    209,726.58/314,515.76 = 67,566.12/x
  3. Step 3: Cross multiply
    209,726.58x = 314,515.76 × 67,566.12
  4. Step 4: Simplify right side
    209,726.58x = 21,250,609,244.22
  5. Step 5: Solve for x
    x = 21,250,609,244.22/209,726.58
  6. Step 6: Final answer
    x = 101,325.30

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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.