Home / 126,729.96-174,892.86-70,141.32

Finding the Fourth Proportional to 126,729.96, 174,892.86 and 70,141.32

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Solution

The fourth proportional to 126,729.96, 174,892.86 and 70,141.32 is: 96,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.96 : 174,892.86 = 70,141.32 : x
  2. Step 2: Convert to fraction form
    126,729.96/174,892.86 = 70,141.32/x
  3. Step 3: Cross multiply
    126,729.96x = 174,892.86 × 70,141.32
  4. Step 4: Simplify right side
    126,729.96x = 12,267,216,058.98
  5. Step 5: Solve for x
    x = 12,267,216,058.98/126,729.96
  6. Step 6: Final answer
    x = 96,798.07

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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.