Home / 191,642.75-264,325.32-140,638.25

Finding the Fourth Proportional to 191,642.75, 264,325.32 and 140,638.25

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Solution

The fourth proportional to 191,642.75, 264,325.32 and 140,638.25 is: 193,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,642.75 : 264,325.32 = 140,638.25 : x
  2. Step 2: Convert to fraction form
    191,642.75/264,325.32 = 140,638.25/x
  3. Step 3: Cross multiply
    191,642.75x = 264,325.32 × 140,638.25
  4. Step 4: Simplify right side
    191,642.75x = 37,174,250,435.49
  5. Step 5: Solve for x
    x = 37,174,250,435.49/191,642.75
  6. Step 6: Final answer
    x = 193,976.82

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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.