Home / 209,083.55-288,577.35-124,184.21

Finding the Fourth Proportional to 209,083.55, 288,577.35 and 124,184.21

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Solution

The fourth proportional to 209,083.55, 288,577.35 and 124,184.21 is: 171,399.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,083.55 : 288,577.35 = 124,184.21 : x
  2. Step 2: Convert to fraction form
    209,083.55/288,577.35 = 124,184.21/x
  3. Step 3: Cross multiply
    209,083.55x = 288,577.35 × 124,184.21
  4. Step 4: Simplify right side
    209,083.55x = 35,836,748,790.76
  5. Step 5: Solve for x
    x = 35,836,748,790.76/209,083.55
  6. Step 6: Final answer
    x = 171,399.18

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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.