Home / 316,316.80-473,899.20-149,737.60

Finding the Fourth Proportional to 316,316.80, 473,899.20 and 149,737.60

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Solution

The fourth proportional to 316,316.80, 473,899.20 and 149,737.60 is: 224,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,316.80 : 473,899.20 = 149,737.60 : x
  2. Step 2: Convert to fraction form
    316,316.80/473,899.20 = 149,737.60/x
  3. Step 3: Cross multiply
    316,316.80x = 473,899.20 × 149,737.60
  4. Step 4: Simplify right side
    316,316.80x = 70,960,528,849.92
  5. Step 5: Solve for x
    x = 70,960,528,849.92/316,316.80
  6. Step 6: Final answer
    x = 224,333.73

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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.