Home / 158,931.12-238,377.79-52,288.63

Finding the Fourth Proportional to 158,931.12, 238,377.79 and 52,288.63

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Solution

The fourth proportional to 158,931.12, 238,377.79 and 52,288.63 is: 78,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,931.12 : 238,377.79 = 52,288.63 : x
  2. Step 2: Convert to fraction form
    158,931.12/238,377.79 = 52,288.63/x
  3. Step 3: Cross multiply
    158,931.12x = 238,377.79 × 52,288.63
  4. Step 4: Simplify right side
    158,931.12x = 12,464,447,334.86
  5. Step 5: Solve for x
    x = 12,464,447,334.86/158,931.12
  6. Step 6: Final answer
    x = 78,426.73

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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.