Home / 161,590.19-241,929.57-85,516.41

Finding the Fourth Proportional to 161,590.19, 241,929.57 and 85,516.41

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Solution

The fourth proportional to 161,590.19, 241,929.57 and 85,516.41 is: 128,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,590.19 : 241,929.57 = 85,516.41 : x
  2. Step 2: Convert to fraction form
    161,590.19/241,929.57 = 85,516.41/x
  3. Step 3: Cross multiply
    161,590.19x = 241,929.57 × 85,516.41
  4. Step 4: Simplify right side
    161,590.19x = 20,688,948,299.24
  5. Step 5: Solve for x
    x = 20,688,948,299.24/161,590.19
  6. Step 6: Final answer
    x = 128,033.45

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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.