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Finding the Fourth Proportional to 191,657.92, 264,490.80 and 111,091.12

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Solution

The fourth proportional to 191,657.92, 264,490.80 and 111,091.12 is: 153,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,657.92 : 264,490.80 = 111,091.12 : x
  2. Step 2: Convert to fraction form
    191,657.92/264,490.80 = 111,091.12/x
  3. Step 3: Cross multiply
    191,657.92x = 264,490.80 × 111,091.12
  4. Step 4: Simplify right side
    191,657.92x = 29,382,579,201.70
  5. Step 5: Solve for x
    x = 29,382,579,201.70/191,657.92
  6. Step 6: Final answer
    x = 153,307.41

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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.