Home / 152,451.31-228,701.21-47,248.51

Finding the Fourth Proportional to 152,451.31, 228,701.21 and 47,248.51

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Solution

The fourth proportional to 152,451.31, 228,701.21 and 47,248.51 is: 70,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,451.31 : 228,701.21 = 47,248.51 : x
  2. Step 2: Convert to fraction form
    152,451.31/228,701.21 = 47,248.51/x
  3. Step 3: Cross multiply
    152,451.31x = 228,701.21 × 47,248.51
  4. Step 4: Simplify right side
    152,451.31x = 10,805,791,407.70
  5. Step 5: Solve for x
    x = 10,805,791,407.70/152,451.31
  6. Step 6: Final answer
    x = 70,880.28

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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.