Home / 197,712.86-272,842.37-107,066.74

Finding the Fourth Proportional to 197,712.86, 272,842.37 and 107,066.74

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Solution

The fourth proportional to 197,712.86, 272,842.37 and 107,066.74 is: 147,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,712.86 : 272,842.37 = 107,066.74 : x
  2. Step 2: Convert to fraction form
    197,712.86/272,842.37 = 107,066.74/x
  3. Step 3: Cross multiply
    197,712.86x = 272,842.37 × 107,066.74
  4. Step 4: Simplify right side
    197,712.86x = 29,212,343,089.77
  5. Step 5: Solve for x
    x = 29,212,343,089.77/197,712.86
  6. Step 6: Final answer
    x = 147,751.36

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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.