Home / 350,496.24-525,365.28-139,902.72

Finding the Fourth Proportional to 350,496.24, 525,365.28 and 139,902.72

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Solution

The fourth proportional to 350,496.24, 525,365.28 and 139,902.72 is: 209,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,496.24 : 525,365.28 = 139,902.72 : x
  2. Step 2: Convert to fraction form
    350,496.24/525,365.28 = 139,902.72/x
  3. Step 3: Cross multiply
    350,496.24x = 525,365.28 × 139,902.72
  4. Step 4: Simplify right side
    350,496.24x = 73,500,031,665.56
  5. Step 5: Solve for x
    x = 73,500,031,665.56/350,496.24
  6. Step 6: Final answer
    x = 209,702.77

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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.