Home / 191,630.09-264,390.99-111,042.05

Finding the Fourth Proportional to 191,630.09, 264,390.99 and 111,042.05

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Solution

The fourth proportional to 191,630.09, 264,390.99 and 111,042.05 is: 153,204.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630.09 : 264,390.99 = 111,042.05 : x
  2. Step 2: Convert to fraction form
    191,630.09/264,390.99 = 111,042.05/x
  3. Step 3: Cross multiply
    191,630.09x = 264,390.99 × 111,042.05
  4. Step 4: Simplify right side
    191,630.09x = 29,358,516,209.17
  5. Step 5: Solve for x
    x = 29,358,516,209.17/191,630.09
  6. Step 6: Final answer
    x = 153,204.10

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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.