Home / 174,938.10-262,407.15-161,421.30

Finding the Fourth Proportional to 174,938.10, 262,407.15 and 161,421.30

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Solution

The fourth proportional to 174,938.10, 262,407.15 and 161,421.30 is: 242,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,938.10 : 262,407.15 = 161,421.30 : x
  2. Step 2: Convert to fraction form
    174,938.10/262,407.15 = 161,421.30/x
  3. Step 3: Cross multiply
    174,938.10x = 262,407.15 × 161,421.30
  4. Step 4: Simplify right side
    174,938.10x = 42,358,103,282.30
  5. Step 5: Solve for x
    x = 42,358,103,282.30/174,938.10
  6. Step 6: Final answer
    x = 242,131.95

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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.