Home / 158,537.14-237,538.26-78,468.34

Finding the Fourth Proportional to 158,537.14, 237,538.26 and 78,468.34

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Solution

The fourth proportional to 158,537.14, 237,538.26 and 78,468.34 is: 117,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,537.14 : 237,538.26 = 78,468.34 : x
  2. Step 2: Convert to fraction form
    158,537.14/237,538.26 = 78,468.34/x
  3. Step 3: Cross multiply
    158,537.14x = 237,538.26 × 78,468.34
  4. Step 4: Simplify right side
    158,537.14x = 18,639,232,948.69
  5. Step 5: Solve for x
    x = 18,639,232,948.69/158,537.14
  6. Step 6: Final answer
    x = 117,570.13

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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.