Home / 221,462.09-332,032.20-88,302.41

Finding the Fourth Proportional to 221,462.09, 332,032.20 and 88,302.41

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Solution

The fourth proportional to 221,462.09, 332,032.20 and 88,302.41 is: 132,389.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.09 : 332,032.20 = 88,302.41 : x
  2. Step 2: Convert to fraction form
    221,462.09/332,032.20 = 88,302.41/x
  3. Step 3: Cross multiply
    221,462.09x = 332,032.20 × 88,302.41
  4. Step 4: Simplify right side
    221,462.09x = 29,319,243,457.60
  5. Step 5: Solve for x
    x = 29,319,243,457.60/221,462.09
  6. Step 6: Final answer
    x = 132,389.45

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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.