Home / 152,242.60-228,343.74-69,117.48

Finding the Fourth Proportional to 152,242.60, 228,343.74 and 69,117.48

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Solution

The fourth proportional to 152,242.60, 228,343.74 and 69,117.48 is: 103,667.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,242.60 : 228,343.74 = 69,117.48 : x
  2. Step 2: Convert to fraction form
    152,242.60/228,343.74 = 69,117.48/x
  3. Step 3: Cross multiply
    152,242.60x = 228,343.74 × 69,117.48
  4. Step 4: Simplify right side
    152,242.60x = 15,782,543,882.58
  5. Step 5: Solve for x
    x = 15,782,543,882.58/152,242.60
  6. Step 6: Final answer
    x = 103,667.07

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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.