Home / 126,427.36-174,467.28-69,838.24

Finding the Fourth Proportional to 126,427.36, 174,467.28 and 69,838.24

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Solution

The fourth proportional to 126,427.36, 174,467.28 and 69,838.24 is: 96,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,427.36 : 174,467.28 = 69,838.24 : x
  2. Step 2: Convert to fraction form
    126,427.36/174,467.28 = 69,838.24/x
  3. Step 3: Cross multiply
    126,427.36x = 174,467.28 × 69,838.24
  4. Step 4: Simplify right side
    126,427.36x = 12,184,487,772.79
  5. Step 5: Solve for x
    x = 12,184,487,772.79/126,427.36
  6. Step 6: Final answer
    x = 96,375.40

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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.