Home / 423,222.59-634,831.70-149,871.62

Finding the Fourth Proportional to 423,222.59, 634,831.70 and 149,871.62

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Solution

The fourth proportional to 423,222.59, 634,831.70 and 149,871.62 is: 224,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,222.59 : 634,831.70 = 149,871.62 : x
  2. Step 2: Convert to fraction form
    423,222.59/634,831.70 = 149,871.62/x
  3. Step 3: Cross multiply
    423,222.59x = 634,831.70 × 149,871.62
  4. Step 4: Simplify right side
    423,222.59x = 95,143,251,382.84
  5. Step 5: Solve for x
    x = 95,143,251,382.84/423,222.59
  6. Step 6: Final answer
    x = 224,806.65

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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.