Home / 191,288.02-263,979.49-105,248.13

Finding the Fourth Proportional to 191,288.02, 263,979.49 and 105,248.13

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Solution

The fourth proportional to 191,288.02, 263,979.49 and 105,248.13 is: 145,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,288.02 : 263,979.49 = 105,248.13 : x
  2. Step 2: Convert to fraction form
    191,288.02/263,979.49 = 105,248.13/x
  3. Step 3: Cross multiply
    191,288.02x = 263,979.49 × 105,248.13
  4. Step 4: Simplify right side
    191,288.02x = 27,783,347,417.73
  5. Step 5: Solve for x
    x = 27,783,347,417.73/191,288.02
  6. Step 6: Final answer
    x = 145,243.53

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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.