Home / 152,406.40-228,172.20-93,357.40

Finding the Fourth Proportional to 152,406.40, 228,172.20 and 93,357.40

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Solution

The fourth proportional to 152,406.40, 228,172.20 and 93,357.40 is: 139,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,406.40 : 228,172.20 = 93,357.40 : x
  2. Step 2: Convert to fraction form
    152,406.40/228,172.20 = 93,357.40/x
  3. Step 3: Cross multiply
    152,406.40x = 228,172.20 × 93,357.40
  4. Step 4: Simplify right side
    152,406.40x = 21,301,563,344.28
  5. Step 5: Solve for x
    x = 21,301,563,344.28/152,406.40
  6. Step 6: Final answer
    x = 139,768.17

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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.