Home / 261,289.45-360,569.23-148,109.77

Finding the Fourth Proportional to 261,289.45, 360,569.23 and 148,109.77

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Solution

The fourth proportional to 261,289.45, 360,569.23 and 148,109.77 is: 204,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,289.45 : 360,569.23 = 148,109.77 : x
  2. Step 2: Convert to fraction form
    261,289.45/360,569.23 = 148,109.77/x
  3. Step 3: Cross multiply
    261,289.45x = 360,569.23 × 148,109.77
  4. Step 4: Simplify right side
    261,289.45x = 53,403,825,724.38
  5. Step 5: Solve for x
    x = 53,403,825,724.38/261,289.45
  6. Step 6: Final answer
    x = 204,385.69

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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.