Home / 142,341.49-213,534.37-47,542.33

Finding the Fourth Proportional to 142,341.49, 213,534.37 and 47,542.33

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Solution

The fourth proportional to 142,341.49, 213,534.37 and 47,542.33 is: 71,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,341.49 : 213,534.37 = 47,542.33 : x
  2. Step 2: Convert to fraction form
    142,341.49/213,534.37 = 47,542.33/x
  3. Step 3: Cross multiply
    142,341.49x = 213,534.37 × 47,542.33
  4. Step 4: Simplify right side
    142,341.49x = 10,151,920,417.21
  5. Step 5: Solve for x
    x = 10,151,920,417.21/142,341.49
  6. Step 6: Final answer
    x = 71,320.88

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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.