Home / 228,193.80-314,880.04-126,205.40

Finding the Fourth Proportional to 228,193.80, 314,880.04 and 126,205.40

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Solution

The fourth proportional to 228,193.80, 314,880.04 and 126,205.40 is: 174,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,193.80 : 314,880.04 = 126,205.40 : x
  2. Step 2: Convert to fraction form
    228,193.80/314,880.04 = 126,205.40/x
  3. Step 3: Cross multiply
    228,193.80x = 314,880.04 × 126,205.40
  4. Step 4: Simplify right side
    228,193.80x = 39,739,561,400.22
  5. Step 5: Solve for x
    x = 39,739,561,400.22/228,193.80
  6. Step 6: Final answer
    x = 174,148.30

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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.