Home / 191,317.53-264,020.58-105,286.41

Finding the Fourth Proportional to 191,317.53, 264,020.58 and 105,286.41

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Solution

The fourth proportional to 191,317.53, 264,020.58 and 105,286.41 is: 145,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,317.53 : 264,020.58 = 105,286.41 : x
  2. Step 2: Convert to fraction form
    191,317.53/264,020.58 = 105,286.41/x
  3. Step 3: Cross multiply
    191,317.53x = 264,020.58 × 105,286.41
  4. Step 4: Simplify right side
    191,317.53x = 27,797,779,034.32
  5. Step 5: Solve for x
    x = 27,797,779,034.32/191,317.53
  6. Step 6: Final answer
    x = 145,296.56

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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.