Home / 132,880.91-183,372.27-72,451.67

Finding the Fourth Proportional to 132,880.91, 183,372.27 and 72,451.67

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Solution

The fourth proportional to 132,880.91, 183,372.27 and 72,451.67 is: 99,981.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,880.91 : 183,372.27 = 72,451.67 : x
  2. Step 2: Convert to fraction form
    132,880.91/183,372.27 = 72,451.67/x
  3. Step 3: Cross multiply
    132,880.91x = 183,372.27 × 72,451.67
  4. Step 4: Simplify right side
    132,880.91x = 13,285,627,193.19
  5. Step 5: Solve for x
    x = 13,285,627,193.19/132,880.91
  6. Step 6: Final answer
    x = 99,981.46

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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.