Home / 152,384.40-228,139.20-93,335.40

Finding the Fourth Proportional to 152,384.40, 228,139.20 and 93,335.40

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Solution

The fourth proportional to 152,384.40, 228,139.20 and 93,335.40 is: 139,735.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,384.40 : 228,139.20 = 93,335.40 : x
  2. Step 2: Convert to fraction form
    152,384.40/228,139.20 = 93,335.40/x
  3. Step 3: Cross multiply
    152,384.40x = 228,139.20 × 93,335.40
  4. Step 4: Simplify right side
    152,384.40x = 21,293,463,487.68
  5. Step 5: Solve for x
    x = 21,293,463,487.68/152,384.40
  6. Step 6: Final answer
    x = 139,735.19

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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.