Home / 347,085.07-520,496.20-189,227.59

Finding the Fourth Proportional to 347,085.07, 520,496.20 and 189,227.59

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Solution

The fourth proportional to 347,085.07, 520,496.20 and 189,227.59 is: 283,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,085.07 : 520,496.20 = 189,227.59 : x
  2. Step 2: Convert to fraction form
    347,085.07/520,496.20 = 189,227.59/x
  3. Step 3: Cross multiply
    347,085.07x = 520,496.20 × 189,227.59
  4. Step 4: Simplify right side
    347,085.07x = 98,492,237,981.54
  5. Step 5: Solve for x
    x = 98,492,237,981.54/347,085.07
  6. Step 6: Final answer
    x = 283,769.74

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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.