Home / 127,168.19-175,500.30-70,579.56

Finding the Fourth Proportional to 127,168.19, 175,500.30 and 70,579.56

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Solution

The fourth proportional to 127,168.19, 175,500.30 and 70,579.56 is: 97,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,168.19 : 175,500.30 = 70,579.56 : x
  2. Step 2: Convert to fraction form
    127,168.19/175,500.30 = 70,579.56/x
  3. Step 3: Cross multiply
    127,168.19x = 175,500.30 × 70,579.56
  4. Step 4: Simplify right side
    127,168.19x = 12,386,733,953.87
  5. Step 5: Solve for x
    x = 12,386,733,953.87/127,168.19
  6. Step 6: Final answer
    x = 97,404.34

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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.