Home / 199,439.73-275,328.36-154,015.74

Finding the Fourth Proportional to 199,439.73, 275,328.36 and 154,015.74

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Solution

The fourth proportional to 199,439.73, 275,328.36 and 154,015.74 is: 212,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,439.73 : 275,328.36 = 154,015.74 : x
  2. Step 2: Convert to fraction form
    199,439.73/275,328.36 = 154,015.74/x
  3. Step 3: Cross multiply
    199,439.73x = 275,328.36 × 154,015.74
  4. Step 4: Simplify right side
    199,439.73x = 42,404,901,108.39
  5. Step 5: Solve for x
    x = 42,404,901,108.39/199,439.73
  6. Step 6: Final answer
    x = 212,620.13

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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.