Home / 397,360.36-596,061.15-131,141.63

Finding the Fourth Proportional to 397,360.36, 596,061.15 and 131,141.63

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Solution

The fourth proportional to 397,360.36, 596,061.15 and 131,141.63 is: 196,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,360.36 : 596,061.15 = 131,141.63 : x
  2. Step 2: Convert to fraction form
    397,360.36/596,061.15 = 131,141.63/x
  3. Step 3: Cross multiply
    397,360.36x = 596,061.15 × 131,141.63
  4. Step 4: Simplify right side
    397,360.36x = 78,168,432,895.55
  5. Step 5: Solve for x
    x = 78,168,432,895.55/397,360.36
  6. Step 6: Final answer
    x = 196,719.25

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1.5x scale

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.