Home / 191,927.31-287,300.43-125,223.81

Finding the Fourth Proportional to 191,927.31, 287,300.43 and 125,223.81

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Solution

The fourth proportional to 191,927.31, 287,300.43 and 125,223.81 is: 187,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,927.31 : 287,300.43 = 125,223.81 : x
  2. Step 2: Convert to fraction form
    191,927.31/287,300.43 = 125,223.81/x
  3. Step 3: Cross multiply
    191,927.31x = 287,300.43 × 125,223.81
  4. Step 4: Simplify right side
    191,927.31x = 35,976,854,459.24
  5. Step 5: Solve for x
    x = 35,976,854,459.24/191,927.31
  6. Step 6: Final answer
    x = 187,450.42

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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.