Home / 191,907.17-287,261.73-141,363.18

Finding the Fourth Proportional to 191,907.17, 287,261.73 and 141,363.18

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Solution

The fourth proportional to 191,907.17, 287,261.73 and 141,363.18 is: 211,603.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,907.17 : 287,261.73 = 141,363.18 : x
  2. Step 2: Convert to fraction form
    191,907.17/287,261.73 = 141,363.18/x
  3. Step 3: Cross multiply
    191,907.17x = 287,261.73 × 141,363.18
  4. Step 4: Simplify right side
    191,907.17x = 40,608,231,645.10
  5. Step 5: Solve for x
    x = 40,608,231,645.10/191,907.17
  6. Step 6: Final answer
    x = 211,603.52

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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.