Home / 191,564.12-264,358.80-111,007.16

Finding the Fourth Proportional to 191,564.12, 264,358.80 and 111,007.16

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Solution

The fourth proportional to 191,564.12, 264,358.80 and 111,007.16 is: 153,190.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,564.12 : 264,358.80 = 111,007.16 : x
  2. Step 2: Convert to fraction form
    191,564.12/264,358.80 = 111,007.16/x
  3. Step 3: Cross multiply
    191,564.12x = 264,358.80 × 111,007.16
  4. Step 4: Simplify right side
    191,564.12x = 29,345,719,609.01
  5. Step 5: Solve for x
    x = 29,345,719,609.01/191,564.12
  6. Step 6: Final answer
    x = 153,190.06

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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.