Home / 151,423.38-208,740.11-96,969.51

Finding the Fourth Proportional to 151,423.38, 208,740.11 and 96,969.51

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Solution

The fourth proportional to 151,423.38, 208,740.11 and 96,969.51 is: 133,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,423.38 : 208,740.11 = 96,969.51 : x
  2. Step 2: Convert to fraction form
    151,423.38/208,740.11 = 96,969.51/x
  3. Step 3: Cross multiply
    151,423.38x = 208,740.11 × 96,969.51
  4. Step 4: Simplify right side
    151,423.38x = 20,241,425,699.20
  5. Step 5: Solve for x
    x = 20,241,425,699.20/151,423.38
  6. Step 6: Final answer
    x = 133,674.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.