Home / 199,444.98-275,111.73-135,811.38

Finding the Fourth Proportional to 199,444.98, 275,111.73 and 135,811.38

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Solution

The fourth proportional to 199,444.98, 275,111.73 and 135,811.38 is: 187,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,444.98 : 275,111.73 = 135,811.38 : x
  2. Step 2: Convert to fraction form
    199,444.98/275,111.73 = 135,811.38/x
  3. Step 3: Cross multiply
    199,444.98x = 275,111.73 × 135,811.38
  4. Step 4: Simplify right side
    199,444.98x = 37,363,303,705.49
  5. Step 5: Solve for x
    x = 37,363,303,705.49/199,444.98
  6. Step 6: Final answer
    x = 187,336.40

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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.