Home / 156,738.87-216,302.22-88,754.06

Finding the Fourth Proportional to 156,738.87, 216,302.22 and 88,754.06

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Solution

The fourth proportional to 156,738.87, 216,302.22 and 88,754.06 is: 122,482.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.87 : 216,302.22 = 88,754.06 : x
  2. Step 2: Convert to fraction form
    156,738.87/216,302.22 = 88,754.06/x
  3. Step 3: Cross multiply
    156,738.87x = 216,302.22 × 88,754.06
  4. Step 4: Simplify right side
    156,738.87x = 19,197,700,752.77
  5. Step 5: Solve for x
    x = 19,197,700,752.77/156,738.87
  6. Step 6: Final answer
    x = 122,482.07

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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.