Home / 126,783.09-174,960.81-70,193.25

Finding the Fourth Proportional to 126,783.09, 174,960.81 and 70,193.25

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Solution

The fourth proportional to 126,783.09, 174,960.81 and 70,193.25 is: 96,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,783.09 : 174,960.81 = 70,193.25 : x
  2. Step 2: Convert to fraction form
    126,783.09/174,960.81 = 70,193.25/x
  3. Step 3: Cross multiply
    126,783.09x = 174,960.81 × 70,193.25
  4. Step 4: Simplify right side
    126,783.09x = 12,281,067,876.53
  5. Step 5: Solve for x
    x = 12,281,067,876.53/126,783.09
  6. Step 6: Final answer
    x = 96,866.77

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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.