Home / 152,528.46-228,656.61-77,606.70

Finding the Fourth Proportional to 152,528.46, 228,656.61 and 77,606.70

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Solution

The fourth proportional to 152,528.46, 228,656.61 and 77,606.70 is: 116,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,528.46 : 228,656.61 = 77,606.70 : x
  2. Step 2: Convert to fraction form
    152,528.46/228,656.61 = 77,606.70/x
  3. Step 3: Cross multiply
    152,528.46x = 228,656.61 × 77,606.70
  4. Step 4: Simplify right side
    152,528.46x = 17,745,284,935.29
  5. Step 5: Solve for x
    x = 17,745,284,935.29/152,528.46
  6. Step 6: Final answer
    x = 116,340.81

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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.