Home / 163,303.54-225,353.11-91,686.58

Finding the Fourth Proportional to 163,303.54, 225,353.11 and 91,686.58

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Solution

The fourth proportional to 163,303.54, 225,353.11 and 91,686.58 is: 126,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,303.54 : 225,353.11 = 91,686.58 : x
  2. Step 2: Convert to fraction form
    163,303.54/225,353.11 = 91,686.58/x
  3. Step 3: Cross multiply
    163,303.54x = 225,353.11 × 91,686.58
  4. Step 4: Simplify right side
    163,303.54x = 20,661,855,948.26
  5. Step 5: Solve for x
    x = 20,661,855,948.26/163,303.54
  6. Step 6: Final answer
    x = 126,524.24

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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.