Home / 228,136.60-314,830.50-126,156.76

Finding the Fourth Proportional to 228,136.60, 314,830.50 and 126,156.76

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Solution

The fourth proportional to 228,136.60, 314,830.50 and 126,156.76 is: 174,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,136.60 : 314,830.50 = 126,156.76 : x
  2. Step 2: Convert to fraction form
    228,136.60/314,830.50 = 126,156.76/x
  3. Step 3: Cross multiply
    228,136.60x = 314,830.50 × 126,156.76
  4. Step 4: Simplify right side
    228,136.60x = 39,717,995,829.18
  5. Step 5: Solve for x
    x = 39,717,995,829.18/228,136.60
  6. Step 6: Final answer
    x = 174,097.43

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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.