Home / 146,316.38-201,916.60-79,248.38

Finding the Fourth Proportional to 146,316.38, 201,916.60 and 79,248.38

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Solution

The fourth proportional to 146,316.38, 201,916.60 and 79,248.38 is: 109,362.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,316.38 : 201,916.60 = 79,248.38 : x
  2. Step 2: Convert to fraction form
    146,316.38/201,916.60 = 79,248.38/x
  3. Step 3: Cross multiply
    146,316.38x = 201,916.60 × 79,248.38
  4. Step 4: Simplify right side
    146,316.38x = 16,001,562,237.40
  5. Step 5: Solve for x
    x = 16,001,562,237.40/146,316.38
  6. Step 6: Final answer
    x = 109,362.76

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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.