Home / 282,492.13-423,738.20-105,043.81

Finding the Fourth Proportional to 282,492.13, 423,738.20 and 105,043.81

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Solution

The fourth proportional to 282,492.13, 423,738.20 and 105,043.81 is: 157,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,492.13 : 423,738.20 = 105,043.81 : x
  2. Step 2: Convert to fraction form
    282,492.13/423,738.20 = 105,043.81/x
  3. Step 3: Cross multiply
    282,492.13x = 423,738.20 × 105,043.81
  4. Step 4: Simplify right side
    282,492.13x = 44,511,074,970.54
  5. Step 5: Solve for x
    x = 44,511,074,970.54/282,492.13
  6. Step 6: Final answer
    x = 157,565.72

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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.