Home / 126,945.44-175,178.40-70,356.32

Finding the Fourth Proportional to 126,945.44, 175,178.40 and 70,356.32

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Solution

The fourth proportional to 126,945.44, 175,178.40 and 70,356.32 is: 97,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,945.44 : 175,178.40 = 70,356.32 : x
  2. Step 2: Convert to fraction form
    126,945.44/175,178.40 = 70,356.32/x
  3. Step 3: Cross multiply
    126,945.44x = 175,178.40 × 70,356.32
  4. Step 4: Simplify right side
    126,945.44x = 12,324,907,567.49
  5. Step 5: Solve for x
    x = 12,324,907,567.49/126,945.44
  6. Step 6: Final answer
    x = 97,088.23

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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.