Home / 261,999.07-393,081.64-93,515.66

Finding the Fourth Proportional to 261,999.07, 393,081.64 and 93,515.66

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Solution

The fourth proportional to 261,999.07, 393,081.64 and 93,515.66 is: 140,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,999.07 : 393,081.64 = 93,515.66 : x
  2. Step 2: Convert to fraction form
    261,999.07/393,081.64 = 93,515.66/x
  3. Step 3: Cross multiply
    261,999.07x = 393,081.64 × 93,515.66
  4. Step 4: Simplify right side
    261,999.07x = 36,759,288,530.90
  5. Step 5: Solve for x
    x = 36,759,288,530.90/261,999.07
  6. Step 6: Final answer
    x = 140,303.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.