Home / 209,528.98-289,149.15-114,035.65

Finding the Fourth Proportional to 209,528.98, 289,149.15 and 114,035.65

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Solution

The fourth proportional to 209,528.98, 289,149.15 and 114,035.65 is: 157,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,528.98 : 289,149.15 = 114,035.65 : x
  2. Step 2: Convert to fraction form
    209,528.98/289,149.15 = 114,035.65/x
  3. Step 3: Cross multiply
    209,528.98x = 289,149.15 × 114,035.65
  4. Step 4: Simplify right side
    209,528.98x = 32,973,311,267.20
  5. Step 5: Solve for x
    x = 32,973,311,267.20/209,528.98
  6. Step 6: Final answer
    x = 157,368.74

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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.