Home / 228,099.04-314,771.06-126,121.80

Finding the Fourth Proportional to 228,099.04, 314,771.06 and 126,121.80

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Solution

The fourth proportional to 228,099.04, 314,771.06 and 126,121.80 is: 174,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,099.04 : 314,771.06 = 126,121.80 : x
  2. Step 2: Convert to fraction form
    228,099.04/314,771.06 = 126,121.80/x
  3. Step 3: Cross multiply
    228,099.04x = 314,771.06 × 126,121.80
  4. Step 4: Simplify right side
    228,099.04x = 39,699,492,675.11
  5. Step 5: Solve for x
    x = 39,699,492,675.11/228,099.04
  6. Step 6: Final answer
    x = 174,044.98

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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.