Home / 228,109.55-314,774.34-126,136.35

Finding the Fourth Proportional to 228,109.55, 314,774.34 and 126,136.35

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Solution

The fourth proportional to 228,109.55, 314,774.34 and 126,136.35 is: 174,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,109.55 : 314,774.34 = 126,136.35 : x
  2. Step 2: Convert to fraction form
    228,109.55/314,774.34 = 126,136.35/x
  3. Step 3: Cross multiply
    228,109.55x = 314,774.34 × 126,136.35
  4. Step 4: Simplify right side
    228,109.55x = 39,704,485,848.25
  5. Step 5: Solve for x
    x = 39,704,485,848.25/228,109.55
  6. Step 6: Final answer
    x = 174,058.85

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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.