Home / 255,084.13-351,869.56-159,424.75

Finding the Fourth Proportional to 255,084.13, 351,869.56 and 159,424.75

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Solution

The fourth proportional to 255,084.13, 351,869.56 and 159,424.75 is: 219,914.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,084.13 : 351,869.56 = 159,424.75 : x
  2. Step 2: Convert to fraction form
    255,084.13/351,869.56 = 159,424.75/x
  3. Step 3: Cross multiply
    255,084.13x = 351,869.56 × 159,424.75
  4. Step 4: Simplify right side
    255,084.13x = 56,096,716,635.61
  5. Step 5: Solve for x
    x = 56,096,716,635.61/255,084.13
  6. Step 6: Final answer
    x = 219,914.57

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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.