Home / 149,142.90-223,749.36-49,303.08

Finding the Fourth Proportional to 149,142.90, 223,749.36 and 49,303.08

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Solution

The fourth proportional to 149,142.90, 223,749.36 and 49,303.08 is: 73,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,142.90 : 223,749.36 = 49,303.08 : x
  2. Step 2: Convert to fraction form
    149,142.90/223,749.36 = 49,303.08/x
  3. Step 3: Cross multiply
    149,142.90x = 223,749.36 × 49,303.08
  4. Step 4: Simplify right side
    149,142.90x = 11,031,532,734.69
  5. Step 5: Solve for x
    x = 11,031,532,734.69/149,142.90
  6. Step 6: Final answer
    x = 73,966.20

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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.