Home / 191,895.31-287,844.45-73,538.38

Finding the Fourth Proportional to 191,895.31, 287,844.45 and 73,538.38

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Solution

The fourth proportional to 191,895.31, 287,844.45 and 73,538.38 is: 110,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,895.31 : 287,844.45 = 73,538.38 : x
  2. Step 2: Convert to fraction form
    191,895.31/287,844.45 = 73,538.38/x
  3. Step 3: Cross multiply
    191,895.31x = 287,844.45 × 73,538.38
  4. Step 4: Simplify right side
    191,895.31x = 21,167,614,544.99
  5. Step 5: Solve for x
    x = 21,167,614,544.99/191,895.31
  6. Step 6: Final answer
    x = 110,308.14

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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.