Home / 149,858.91-223,695.18-130,941.72

Finding the Fourth Proportional to 149,858.91, 223,695.18 and 130,941.72

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Solution

The fourth proportional to 149,858.91, 223,695.18 and 130,941.72 is: 195,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,858.91 : 223,695.18 = 130,941.72 : x
  2. Step 2: Convert to fraction form
    149,858.91/223,695.18 = 130,941.72/x
  3. Step 3: Cross multiply
    149,858.91x = 223,695.18 × 130,941.72
  4. Step 4: Simplify right side
    149,858.91x = 29,291,031,624.91
  5. Step 5: Solve for x
    x = 29,291,031,624.91/149,858.91
  6. Step 6: Final answer
    x = 195,457.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.