Home / 191,317.03-264,019.89-105,285.91

Finding the Fourth Proportional to 191,317.03, 264,019.89 and 105,285.91

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Solution

The fourth proportional to 191,317.03, 264,019.89 and 105,285.91 is: 145,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,317.03 : 264,019.89 = 105,285.91 : x
  2. Step 2: Convert to fraction form
    191,317.03/264,019.89 = 105,285.91/x
  3. Step 3: Cross multiply
    191,317.03x = 264,019.89 × 105,285.91
  4. Step 4: Simplify right side
    191,317.03x = 27,797,574,376.75
  5. Step 5: Solve for x
    x = 27,797,574,376.75/191,317.03
  6. Step 6: Final answer
    x = 145,295.87

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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.