Home / 142,230.23-196,316.81-88,483.19

Finding the Fourth Proportional to 142,230.23, 196,316.81 and 88,483.19

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Solution

The fourth proportional to 142,230.23, 196,316.81 and 88,483.19 is: 122,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,230.23 : 196,316.81 = 88,483.19 : x
  2. Step 2: Convert to fraction form
    142,230.23/196,316.81 = 88,483.19/x
  3. Step 3: Cross multiply
    142,230.23x = 196,316.81 × 88,483.19
  4. Step 4: Simplify right side
    142,230.23x = 17,370,737,004.95
  5. Step 5: Solve for x
    x = 17,370,737,004.95/142,230.23
  6. Step 6: Final answer
    x = 122,131.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.