Home / 349,747.60-524,362.20-149,904.40

Finding the Fourth Proportional to 349,747.60, 524,362.20 and 149,904.40

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Solution

The fourth proportional to 349,747.60, 524,362.20 and 149,904.40 is: 224,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,747.60 : 524,362.20 = 149,904.40 : x
  2. Step 2: Convert to fraction form
    349,747.60/524,362.20 = 149,904.40/x
  3. Step 3: Cross multiply
    349,747.60x = 524,362.20 × 149,904.40
  4. Step 4: Simplify right side
    349,747.60x = 78,604,200,973.68
  5. Step 5: Solve for x
    x = 78,604,200,973.68/349,747.60
  6. Step 6: Final answer
    x = 224,745.50

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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.