Home / 191,724.23-287,586.66-191,447.21

Finding the Fourth Proportional to 191,724.23, 287,586.66 and 191,447.21

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Solution

The fourth proportional to 191,724.23, 287,586.66 and 191,447.21 is: 287,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,724.23 : 287,586.66 = 191,447.21 : x
  2. Step 2: Convert to fraction form
    191,724.23/287,586.66 = 191,447.21/x
  3. Step 3: Cross multiply
    191,724.23x = 287,586.66 × 191,447.21
  4. Step 4: Simplify right side
    191,724.23x = 55,057,663,690.22
  5. Step 5: Solve for x
    x = 55,057,663,690.22/191,724.23
  6. Step 6: Final answer
    x = 287,171.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.