Home / 191,973.67-287,736.26-144,436.01

Finding the Fourth Proportional to 191,973.67, 287,736.26 and 144,436.01

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Solution

The fourth proportional to 191,973.67, 287,736.26 and 144,436.01 is: 216,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,973.67 : 287,736.26 = 144,436.01 : x
  2. Step 2: Convert to fraction form
    191,973.67/287,736.26 = 144,436.01/x
  3. Step 3: Cross multiply
    191,973.67x = 287,736.26 × 144,436.01
  4. Step 4: Simplify right side
    191,973.67x = 41,559,475,165.86
  5. Step 5: Solve for x
    x = 41,559,475,165.86/191,973.67
  6. Step 6: Final answer
    x = 216,485.29

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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.