Home / 337,890.96-506,836.04-155,503.40

Finding the Fourth Proportional to 337,890.96, 506,836.04 and 155,503.40

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Solution

The fourth proportional to 337,890.96, 506,836.04 and 155,503.40 is: 233,254.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,890.96 : 506,836.04 = 155,503.40 : x
  2. Step 2: Convert to fraction form
    337,890.96/506,836.04 = 155,503.40/x
  3. Step 3: Cross multiply
    337,890.96x = 506,836.04 × 155,503.40
  4. Step 4: Simplify right side
    337,890.96x = 78,814,724,150.84
  5. Step 5: Solve for x
    x = 78,814,724,150.84/337,890.96
  6. Step 6: Final answer
    x = 233,254.91

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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.