Home / 191,506.30-287,237.67-73,175.02

Finding the Fourth Proportional to 191,506.30, 287,237.67 and 73,175.02

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Solution

The fourth proportional to 191,506.30, 287,237.67 and 73,175.02 is: 109,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506.30 : 287,237.67 = 73,175.02 : x
  2. Step 2: Convert to fraction form
    191,506.30/287,237.67 = 73,175.02/x
  3. Step 3: Cross multiply
    191,506.30x = 287,237.67 × 73,175.02
  4. Step 4: Simplify right side
    191,506.30x = 21,018,622,247.00
  5. Step 5: Solve for x
    x = 21,018,622,247.00/191,506.30
  6. Step 6: Final answer
    x = 109,754.21

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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.