Home / 366,985.52-550,479.12-100,749.68

Finding the Fourth Proportional to 366,985.52, 550,479.12 and 100,749.68

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Solution

The fourth proportional to 366,985.52, 550,479.12 and 100,749.68 is: 151,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,985.52 : 550,479.12 = 100,749.68 : x
  2. Step 2: Convert to fraction form
    366,985.52/550,479.12 = 100,749.68/x
  3. Step 3: Cross multiply
    366,985.52x = 550,479.12 × 100,749.68
  4. Step 4: Simplify right side
    366,985.52x = 55,460,595,186.68
  5. Step 5: Solve for x
    x = 55,460,595,186.68/366,985.52
  6. Step 6: Final answer
    x = 151,124.75

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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.