Home / 261,740.15-392,805.63-194,427.62

Finding the Fourth Proportional to 261,740.15, 392,805.63 and 194,427.62

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Solution

The fourth proportional to 261,740.15, 392,805.63 and 194,427.62 is: 291,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,740.15 : 392,805.63 = 194,427.62 : x
  2. Step 2: Convert to fraction form
    261,740.15/392,805.63 = 194,427.62/x
  3. Step 3: Cross multiply
    261,740.15x = 392,805.63 × 194,427.62
  4. Step 4: Simplify right side
    261,740.15x = 76,372,263,763.50
  5. Step 5: Solve for x
    x = 76,372,263,763.50/261,740.15
  6. Step 6: Final answer
    x = 291,786.58

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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.