Home / 191,821.32-264,708.18-111,243.69

Finding the Fourth Proportional to 191,821.32, 264,708.18 and 111,243.69

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Solution

The fourth proportional to 191,821.32, 264,708.18 and 111,243.69 is: 153,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,821.32 : 264,708.18 = 111,243.69 : x
  2. Step 2: Convert to fraction form
    191,821.32/264,708.18 = 111,243.69/x
  3. Step 3: Cross multiply
    191,821.32x = 264,708.18 × 111,243.69
  4. Step 4: Simplify right side
    191,821.32x = 29,447,114,716.38
  5. Step 5: Solve for x
    x = 29,447,114,716.38/191,821.32
  6. Step 6: Final answer
    x = 153,513.25

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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.