Home / 191,635.41-264,173.31-122,717.58

Finding the Fourth Proportional to 191,635.41, 264,173.31 and 122,717.58

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Solution

The fourth proportional to 191,635.41, 264,173.31 and 122,717.58 is: 169,168.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,635.41 : 264,173.31 = 122,717.58 : x
  2. Step 2: Convert to fraction form
    191,635.41/264,173.31 = 122,717.58/x
  3. Step 3: Cross multiply
    191,635.41x = 264,173.31 × 122,717.58
  4. Step 4: Simplify right side
    191,635.41x = 32,418,709,303.79
  5. Step 5: Solve for x
    x = 32,418,709,303.79/191,635.41
  6. Step 6: Final answer
    x = 169,168.68

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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.