Home / 348,033.96-480,244.08-212,018.55

Finding the Fourth Proportional to 348,033.96, 480,244.08 and 212,018.55

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Solution

The fourth proportional to 348,033.96, 480,244.08 and 212,018.55 is: 292,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033.96 : 480,244.08 = 212,018.55 : x
  2. Step 2: Convert to fraction form
    348,033.96/480,244.08 = 212,018.55/x
  3. Step 3: Cross multiply
    348,033.96x = 480,244.08 × 212,018.55
  4. Step 4: Simplify right side
    348,033.96x = 101,820,653,487.68
  5. Step 5: Solve for x
    x = 101,820,653,487.68/348,033.96
  6. Step 6: Final answer
    x = 292,559.53

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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.