Home / 131,214.10-196,619.55-97,777.30

Finding the Fourth Proportional to 131,214.10, 196,619.55 and 97,777.30

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Solution

The fourth proportional to 131,214.10, 196,619.55 and 97,777.30 is: 146,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,214.10 : 196,619.55 = 97,777.30 : x
  2. Step 2: Convert to fraction form
    131,214.10/196,619.55 = 97,777.30/x
  3. Step 3: Cross multiply
    131,214.10x = 196,619.55 × 97,777.30
  4. Step 4: Simplify right side
    131,214.10x = 19,224,928,726.22
  5. Step 5: Solve for x
    x = 19,224,928,726.22/131,214.10
  6. Step 6: Final answer
    x = 146,515.72

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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.