Home / 191,064.52-263,663.34-109,390.07

Finding the Fourth Proportional to 191,064.52, 263,663.34 and 109,390.07

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Solution

The fourth proportional to 191,064.52, 263,663.34 and 109,390.07 is: 150,955.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,064.52 : 263,663.34 = 109,390.07 : x
  2. Step 2: Convert to fraction form
    191,064.52/263,663.34 = 109,390.07/x
  3. Step 3: Cross multiply
    191,064.52x = 263,663.34 × 109,390.07
  4. Step 4: Simplify right side
    191,064.52x = 28,842,151,187.92
  5. Step 5: Solve for x
    x = 28,842,151,187.92/191,064.52
  6. Step 6: Final answer
    x = 150,955.03

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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.