Home / 130,814.10-196,019.55-97,377.30

Finding the Fourth Proportional to 130,814.10, 196,019.55 and 97,377.30

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Solution

The fourth proportional to 130,814.10, 196,019.55 and 97,377.30 is: 145,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,814.10 : 196,019.55 = 97,377.30 : x
  2. Step 2: Convert to fraction form
    130,814.10/196,019.55 = 97,377.30/x
  3. Step 3: Cross multiply
    130,814.10x = 196,019.55 × 97,377.30
  4. Step 4: Simplify right side
    130,814.10x = 19,087,854,526.22
  5. Step 5: Solve for x
    x = 19,087,854,526.22/130,814.10
  6. Step 6: Final answer
    x = 145,915.88

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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.