Home / 126,994.50-175,253.63-70,407.09

Finding the Fourth Proportional to 126,994.50, 175,253.63 and 70,407.09

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Solution

The fourth proportional to 126,994.50, 175,253.63 and 70,407.09 is: 97,162.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,994.50 : 175,253.63 = 70,407.09 : x
  2. Step 2: Convert to fraction form
    126,994.50/175,253.63 = 70,407.09/x
  3. Step 3: Cross multiply
    126,994.50x = 175,253.63 × 70,407.09
  4. Step 4: Simplify right side
    126,994.50x = 12,339,097,748.20
  5. Step 5: Solve for x
    x = 12,339,097,748.20/126,994.50
  6. Step 6: Final answer
    x = 97,162.46

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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.