Home / 254,913.69-382,421.58-142,753.41

Finding the Fourth Proportional to 254,913.69, 382,421.58 and 142,753.41

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Solution

The fourth proportional to 254,913.69, 382,421.58 and 142,753.41 is: 214,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,913.69 : 382,421.58 = 142,753.41 : x
  2. Step 2: Convert to fraction form
    254,913.69/382,421.58 = 142,753.41/x
  3. Step 3: Cross multiply
    254,913.69x = 382,421.58 × 142,753.41
  4. Step 4: Simplify right side
    254,913.69x = 54,591,984,602.59
  5. Step 5: Solve for x
    x = 54,591,984,602.59/254,913.69
  6. Step 6: Final answer
    x = 214,158.70

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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.