Home / 238,276.81-328,881.50-147,578.41

Finding the Fourth Proportional to 238,276.81, 328,881.50 and 147,578.41

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Solution

The fourth proportional to 238,276.81, 328,881.50 and 147,578.41 is: 203,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,276.81 : 328,881.50 = 147,578.41 : x
  2. Step 2: Convert to fraction form
    238,276.81/328,881.50 = 147,578.41/x
  3. Step 3: Cross multiply
    238,276.81x = 328,881.50 × 147,578.41
  4. Step 4: Simplify right side
    238,276.81x = 48,535,808,848.42
  5. Step 5: Solve for x
    x = 48,535,808,848.42/238,276.81
  6. Step 6: Final answer
    x = 203,695.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.