Home / 197,710.84-272,841.11-107,066.90

Finding the Fourth Proportional to 197,710.84, 272,841.11 and 107,066.90

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Solution

The fourth proportional to 197,710.84, 272,841.11 and 107,066.90 is: 147,752.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,710.84 : 272,841.11 = 107,066.90 : x
  2. Step 2: Convert to fraction form
    197,710.84/272,841.11 = 107,066.90/x
  3. Step 3: Cross multiply
    197,710.84x = 272,841.11 × 107,066.90
  4. Step 4: Simplify right side
    197,710.84x = 29,212,252,699.35
  5. Step 5: Solve for x
    x = 29,212,252,699.35/197,710.84
  6. Step 6: Final answer
    x = 147,752.41

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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.