Home / 191,340.52-287,075.31-84,709.75

Finding the Fourth Proportional to 191,340.52, 287,075.31 and 84,709.75

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Solution

The fourth proportional to 191,340.52, 287,075.31 and 84,709.75 is: 127,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,340.52 : 287,075.31 = 84,709.75 : x
  2. Step 2: Convert to fraction form
    191,340.52/287,075.31 = 84,709.75/x
  3. Step 3: Cross multiply
    191,340.52x = 287,075.31 × 84,709.75
  4. Step 4: Simplify right side
    191,340.52x = 24,318,077,741.27
  5. Step 5: Solve for x
    x = 24,318,077,741.27/191,340.52
  6. Step 6: Final answer
    x = 127,093.19

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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.