Home / 191,879.16-264,794.40-107,001.60

Finding the Fourth Proportional to 191,879.16, 264,794.40 and 107,001.60

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Solution

The fourth proportional to 191,879.16, 264,794.40 and 107,001.60 is: 147,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,879.16 : 264,794.40 = 107,001.60 : x
  2. Step 2: Convert to fraction form
    191,879.16/264,794.40 = 107,001.60/x
  3. Step 3: Cross multiply
    191,879.16x = 264,794.40 × 107,001.60
  4. Step 4: Simplify right side
    191,879.16x = 28,333,424,471.04
  5. Step 5: Solve for x
    x = 28,333,424,471.04/191,879.16
  6. Step 6: Final answer
    x = 147,662.85

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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.