Home / 142,390.40-213,553.93-41,166.34

Finding the Fourth Proportional to 142,390.40, 213,553.93 and 41,166.34

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Solution

The fourth proportional to 142,390.40, 213,553.93 and 41,166.34 is: 61,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,390.40 : 213,553.93 = 41,166.34 : x
  2. Step 2: Convert to fraction form
    142,390.40/213,553.93 = 41,166.34/x
  3. Step 3: Cross multiply
    142,390.40x = 213,553.93 × 41,166.34
  4. Step 4: Simplify right side
    142,390.40x = 8,791,233,053.92
  5. Step 5: Solve for x
    x = 8,791,233,053.92/142,390.40
  6. Step 6: Final answer
    x = 61,740.35

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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.