Home / 197,305.03-272,280.57-106,661.05

Finding the Fourth Proportional to 197,305.03, 272,280.57 and 106,661.05

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Solution

The fourth proportional to 197,305.03, 272,280.57 and 106,661.05 is: 147,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,305.03 : 272,280.57 = 106,661.05 : x
  2. Step 2: Convert to fraction form
    197,305.03/272,280.57 = 106,661.05/x
  3. Step 3: Cross multiply
    197,305.03x = 272,280.57 × 106,661.05
  4. Step 4: Simplify right side
    197,305.03x = 29,041,731,490.80
  5. Step 5: Solve for x
    x = 29,041,731,490.80/197,305.03
  6. Step 6: Final answer
    x = 147,192.05

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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.