Home / 191,921.04-264,864-111,348.60

Finding the Fourth Proportional to 191,921.04, 264,864 and 111,348.60

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Solution

The fourth proportional to 191,921.04, 264,864 and 111,348.60 is: 153,668.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,921.04 : 264,864 = 111,348.60 : x
  2. Step 2: Convert to fraction form
    191,921.04/264,864 = 111,348.60/x
  3. Step 3: Cross multiply
    191,921.04x = 264,864 × 111,348.60
  4. Step 4: Simplify right side
    191,921.04x = 29,492,235,590.40
  5. Step 5: Solve for x
    x = 29,492,235,590.40/191,921.04
  6. Step 6: Final answer
    x = 153,668.59

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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.