Home / 191,865.24-287,775.72-51,612.84

Finding the Fourth Proportional to 191,865.24, 287,775.72 and 51,612.84

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Solution

The fourth proportional to 191,865.24, 287,775.72 and 51,612.84 is: 77,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,865.24 : 287,775.72 = 51,612.84 : x
  2. Step 2: Convert to fraction form
    191,865.24/287,775.72 = 51,612.84/x
  3. Step 3: Cross multiply
    191,865.24x = 287,775.72 × 51,612.84
  4. Step 4: Simplify right side
    191,865.24x = 14,852,922,192.24
  5. Step 5: Solve for x
    x = 14,852,922,192.24/191,865.24
  6. Step 6: Final answer
    x = 77,413.30

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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.