Home / 191,818.13-264,599.13-120,073.59

Finding the Fourth Proportional to 191,818.13, 264,599.13 and 120,073.59

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Solution

The fourth proportional to 191,818.13, 264,599.13 and 120,073.59 is: 165,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,818.13 : 264,599.13 = 120,073.59 : x
  2. Step 2: Convert to fraction form
    191,818.13/264,599.13 = 120,073.59/x
  3. Step 3: Cross multiply
    191,818.13x = 264,599.13 × 120,073.59
  4. Step 4: Simplify right side
    191,818.13x = 31,771,367,900.25
  5. Step 5: Solve for x
    x = 31,771,367,900.25/191,818.13
  6. Step 6: Final answer
    x = 165,632.77

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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.