Home / 191,642.25-264,324.63-140,637.75

Finding the Fourth Proportional to 191,642.25, 264,324.63 and 140,637.75

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Solution

The fourth proportional to 191,642.25, 264,324.63 and 140,637.75 is: 193,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,642.25 : 264,324.63 = 140,637.75 : x
  2. Step 2: Convert to fraction form
    191,642.25/264,324.63 = 140,637.75/x
  3. Step 3: Cross multiply
    191,642.25x = 264,324.63 × 140,637.75
  4. Step 4: Simplify right side
    191,642.25x = 37,174,021,232.78
  5. Step 5: Solve for x
    x = 37,174,021,232.78/191,642.25
  6. Step 6: Final answer
    x = 193,976.13

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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.