Home / 132,981.56-183,496.36-76,392.92

Finding the Fourth Proportional to 132,981.56, 183,496.36 and 76,392.92

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Solution

The fourth proportional to 132,981.56, 183,496.36 and 76,392.92 is: 105,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,981.56 : 183,496.36 = 76,392.92 : x
  2. Step 2: Convert to fraction form
    132,981.56/183,496.36 = 76,392.92/x
  3. Step 3: Cross multiply
    132,981.56x = 183,496.36 × 76,392.92
  4. Step 4: Simplify right side
    132,981.56x = 14,017,822,749.77
  5. Step 5: Solve for x
    x = 14,017,822,749.77/132,981.56
  6. Step 6: Final answer
    x = 105,411.78

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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.