Home / 191,947.22-288,018.06-129,486.50

Finding the Fourth Proportional to 191,947.22, 288,018.06 and 129,486.50

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Solution

The fourth proportional to 191,947.22, 288,018.06 and 129,486.50 is: 194,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,947.22 : 288,018.06 = 129,486.50 : x
  2. Step 2: Convert to fraction form
    191,947.22/288,018.06 = 129,486.50/x
  3. Step 3: Cross multiply
    191,947.22x = 288,018.06 × 129,486.50
  4. Step 4: Simplify right side
    191,947.22x = 37,294,450,526.19
  5. Step 5: Solve for x
    x = 37,294,450,526.19/191,947.22
  6. Step 6: Final answer
    x = 194,295.34

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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.