Home / 240,715.90-332,136.48-145,221.22

Finding the Fourth Proportional to 240,715.90, 332,136.48 and 145,221.22

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Solution

The fourth proportional to 240,715.90, 332,136.48 and 145,221.22 is: 200,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,715.90 : 332,136.48 = 145,221.22 : x
  2. Step 2: Convert to fraction form
    240,715.90/332,136.48 = 145,221.22/x
  3. Step 3: Cross multiply
    240,715.90x = 332,136.48 × 145,221.22
  4. Step 4: Simplify right side
    240,715.90x = 48,233,264,832.11
  5. Step 5: Solve for x
    x = 48,233,264,832.11/240,715.90
  6. Step 6: Final answer
    x = 200,374.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.