Home / 163,303.42-225,352.94-91,686.46

Finding the Fourth Proportional to 163,303.42, 225,352.94 and 91,686.46

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Solution

The fourth proportional to 163,303.42, 225,352.94 and 91,686.46 is: 126,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,303.42 : 225,352.94 = 91,686.46 : x
  2. Step 2: Convert to fraction form
    163,303.42/225,352.94 = 91,686.46/x
  3. Step 3: Cross multiply
    163,303.42x = 225,352.94 × 91,686.46
  4. Step 4: Simplify right side
    163,303.42x = 20,661,812,860.76
  5. Step 5: Solve for x
    x = 20,661,812,860.76/163,303.42
  6. Step 6: Final answer
    x = 126,524.07

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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.