Home / 191,143.71-263,784.06-105,098.24

Finding the Fourth Proportional to 191,143.71, 263,784.06 and 105,098.24

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Solution

The fourth proportional to 191,143.71, 263,784.06 and 105,098.24 is: 145,038.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,143.71 : 263,784.06 = 105,098.24 : x
  2. Step 2: Convert to fraction form
    191,143.71/263,784.06 = 105,098.24/x
  3. Step 3: Cross multiply
    191,143.71x = 263,784.06 × 105,098.24
  4. Step 4: Simplify right side
    191,143.71x = 27,723,241,105.51
  5. Step 5: Solve for x
    x = 27,723,241,105.51/191,143.71
  6. Step 6: Final answer
    x = 145,038.73

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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.