Home / 348,378.18-480,761.55-197,475.18

Finding the Fourth Proportional to 348,378.18, 480,761.55 and 197,475.18

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Solution

The fourth proportional to 348,378.18, 480,761.55 and 197,475.18 is: 272,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,378.18 : 480,761.55 = 197,475.18 : x
  2. Step 2: Convert to fraction form
    348,378.18/480,761.55 = 197,475.18/x
  3. Step 3: Cross multiply
    348,378.18x = 480,761.55 × 197,475.18
  4. Step 4: Simplify right side
    348,378.18x = 94,938,473,623.33
  5. Step 5: Solve for x
    x = 94,938,473,623.33/348,378.18
  6. Step 6: Final answer
    x = 272,515.56

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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.