Home / 142,543.19-213,815.70-37,361.25

Finding the Fourth Proportional to 142,543.19, 213,815.70 and 37,361.25

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Solution

The fourth proportional to 142,543.19, 213,815.70 and 37,361.25 is: 56,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,543.19 : 213,815.70 = 37,361.25 : x
  2. Step 2: Convert to fraction form
    142,543.19/213,815.70 = 37,361.25/x
  3. Step 3: Cross multiply
    142,543.19x = 213,815.70 × 37,361.25
  4. Step 4: Simplify right side
    142,543.19x = 7,988,421,821.63
  5. Step 5: Solve for x
    x = 7,988,421,821.63/142,543.19
  6. Step 6: Final answer
    x = 56,042.11

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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.