Home / 117,403.20-175,845.60-70,574.40

Finding the Fourth Proportional to 117,403.20, 175,845.60 and 70,574.40

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Solution

The fourth proportional to 117,403.20, 175,845.60 and 70,574.40 is: 105,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,403.20 : 175,845.60 = 70,574.40 : x
  2. Step 2: Convert to fraction form
    117,403.20/175,845.60 = 70,574.40/x
  3. Step 3: Cross multiply
    117,403.20x = 175,845.60 × 70,574.40
  4. Step 4: Simplify right side
    117,403.20x = 12,410,197,712.64
  5. Step 5: Solve for x
    x = 12,410,197,712.64/117,403.20
  6. Step 6: Final answer
    x = 105,705.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.