Home / 130,935.49-196,037.16-70,748.31

Finding the Fourth Proportional to 130,935.49, 196,037.16 and 70,748.31

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Solution

The fourth proportional to 130,935.49, 196,037.16 and 70,748.31 is: 105,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,935.49 : 196,037.16 = 70,748.31 : x
  2. Step 2: Convert to fraction form
    130,935.49/196,037.16 = 70,748.31/x
  3. Step 3: Cross multiply
    130,935.49x = 196,037.16 × 70,748.31
  4. Step 4: Simplify right side
    130,935.49x = 13,869,297,767.20
  5. Step 5: Solve for x
    x = 13,869,297,767.20/130,935.49
  6. Step 6: Final answer
    x = 105,924.66

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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.