Home / 197,624.16-272,720.34-106,980.30

Finding the Fourth Proportional to 197,624.16, 272,720.34 and 106,980.30

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Solution

The fourth proportional to 197,624.16, 272,720.34 and 106,980.30 is: 147,632.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,624.16 : 272,720.34 = 106,980.30 : x
  2. Step 2: Convert to fraction form
    197,624.16/272,720.34 = 106,980.30/x
  3. Step 3: Cross multiply
    197,624.16x = 272,720.34 × 106,980.30
  4. Step 4: Simplify right side
    197,624.16x = 29,175,703,789.30
  5. Step 5: Solve for x
    x = 29,175,703,789.30/197,624.16
  6. Step 6: Final answer
    x = 147,632.27

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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.