Home / 126,892.08-175,117.32-70,303.68

Finding the Fourth Proportional to 126,892.08, 175,117.32 and 70,303.68

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Solution

The fourth proportional to 126,892.08, 175,117.32 and 70,303.68 is: 97,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,892.08 : 175,117.32 = 70,303.68 : x
  2. Step 2: Convert to fraction form
    126,892.08/175,117.32 = 70,303.68/x
  3. Step 3: Cross multiply
    126,892.08x = 175,117.32 × 70,303.68
  4. Step 4: Simplify right side
    126,892.08x = 12,311,392,027.74
  5. Step 5: Solve for x
    x = 12,311,392,027.74/126,892.08
  6. Step 6: Final answer
    x = 97,022.54

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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.