Home / 158,390.12-237,678.74-58,620.39

Finding the Fourth Proportional to 158,390.12, 237,678.74 and 58,620.39

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Solution

The fourth proportional to 158,390.12, 237,678.74 and 58,620.39 is: 87,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,390.12 : 237,678.74 = 58,620.39 : x
  2. Step 2: Convert to fraction form
    158,390.12/237,678.74 = 58,620.39/x
  3. Step 3: Cross multiply
    158,390.12x = 237,678.74 × 58,620.39
  4. Step 4: Simplify right side
    158,390.12x = 13,932,820,140.41
  5. Step 5: Solve for x
    x = 13,932,820,140.41/158,390.12
  6. Step 6: Final answer
    x = 87,965.21

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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.