Home / 261,642.09-361,069.86-146,945.55

Finding the Fourth Proportional to 261,642.09, 361,069.86 and 146,945.55

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Solution

The fourth proportional to 261,642.09, 361,069.86 and 146,945.55 is: 202,786.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,642.09 : 361,069.86 = 146,945.55 : x
  2. Step 2: Convert to fraction form
    261,642.09/361,069.86 = 146,945.55/x
  3. Step 3: Cross multiply
    261,642.09x = 361,069.86 × 146,945.55
  4. Step 4: Simplify right side
    261,642.09x = 53,057,609,166.12
  5. Step 5: Solve for x
    x = 53,057,609,166.12/261,642.09
  6. Step 6: Final answer
    x = 202,786.98

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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.