Home / 228,733.70-315,643.38-126,763.52

Finding the Fourth Proportional to 228,733.70, 315,643.38 and 126,763.52

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Solution

The fourth proportional to 228,733.70, 315,643.38 and 126,763.52 is: 174,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,733.70 : 315,643.38 = 126,763.52 : x
  2. Step 2: Convert to fraction form
    228,733.70/315,643.38 = 126,763.52/x
  3. Step 3: Cross multiply
    228,733.70x = 315,643.38 × 126,763.52
  4. Step 4: Simplify right side
    228,733.70x = 40,012,064,335.28
  5. Step 5: Solve for x
    x = 40,012,064,335.28/228,733.70
  6. Step 6: Final answer
    x = 174,928.60

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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.