Home / 228,148.04-314,838.54-126,170.80

Finding the Fourth Proportional to 228,148.04, 314,838.54 and 126,170.80

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Solution

The fourth proportional to 228,148.04, 314,838.54 and 126,170.80 is: 174,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,148.04 : 314,838.54 = 126,170.80 : x
  2. Step 2: Convert to fraction form
    228,148.04/314,838.54 = 126,170.80/x
  3. Step 3: Cross multiply
    228,148.04x = 314,838.54 × 126,170.80
  4. Step 4: Simplify right side
    228,148.04x = 39,723,430,462.63
  5. Step 5: Solve for x
    x = 39,723,430,462.63/228,148.04
  6. Step 6: Final answer
    x = 174,112.52

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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.