Home / 152,284.14-228,478.10-45,670.68

Finding the Fourth Proportional to 152,284.14, 228,478.10 and 45,670.68

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Solution

The fourth proportional to 152,284.14, 228,478.10 and 45,670.68 is: 68,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,284.14 : 228,478.10 = 45,670.68 : x
  2. Step 2: Convert to fraction form
    152,284.14/228,478.10 = 45,670.68/x
  3. Step 3: Cross multiply
    152,284.14x = 228,478.10 × 45,670.68
  4. Step 4: Simplify right side
    152,284.14x = 10,434,750,192.11
  5. Step 5: Solve for x
    x = 10,434,750,192.11/152,284.14
  6. Step 6: Final answer
    x = 68,521.58

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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.