Home / 199,516.60-299,372.10-152,115.40

Finding the Fourth Proportional to 199,516.60, 299,372.10 and 152,115.40

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Solution

The fourth proportional to 199,516.60, 299,372.10 and 152,115.40 is: 228,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.60 : 299,372.10 = 152,115.40 : x
  2. Step 2: Convert to fraction form
    199,516.60/299,372.10 = 152,115.40/x
  3. Step 3: Cross multiply
    199,516.60x = 299,372.10 × 152,115.40
  4. Step 4: Simplify right side
    199,516.60x = 45,539,106,740.34
  5. Step 5: Solve for x
    x = 45,539,106,740.34/199,516.60
  6. Step 6: Final answer
    x = 228,247.21

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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.