Home / 209,234.08-288,749.01-127,567.05

Finding the Fourth Proportional to 209,234.08, 288,749.01 and 127,567.05

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Solution

The fourth proportional to 209,234.08, 288,749.01 and 127,567.05 is: 176,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,234.08 : 288,749.01 = 127,567.05 : x
  2. Step 2: Convert to fraction form
    209,234.08/288,749.01 = 127,567.05/x
  3. Step 3: Cross multiply
    209,234.08x = 288,749.01 × 127,567.05
  4. Step 4: Simplify right side
    209,234.08x = 36,834,859,396.12
  5. Step 5: Solve for x
    x = 36,834,859,396.12/209,234.08
  6. Step 6: Final answer
    x = 176,046.17

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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.