Home / 371,848.16-513,150.24-202,082.30

Finding the Fourth Proportional to 371,848.16, 513,150.24 and 202,082.30

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Solution

The fourth proportional to 371,848.16, 513,150.24 and 202,082.30 is: 278,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.16 : 513,150.24 = 202,082.30 : x
  2. Step 2: Convert to fraction form
    371,848.16/513,150.24 = 202,082.30/x
  3. Step 3: Cross multiply
    371,848.16x = 513,150.24 × 202,082.30
  4. Step 4: Simplify right side
    371,848.16x = 103,698,580,744.75
  5. Step 5: Solve for x
    x = 103,698,580,744.75/371,848.16
  6. Step 6: Final answer
    x = 278,873.45

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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.