Home / 163,293.18-225,344.40-91,673.34

Finding the Fourth Proportional to 163,293.18, 225,344.40 and 91,673.34

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Solution

The fourth proportional to 163,293.18, 225,344.40 and 91,673.34 is: 126,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,293.18 : 225,344.40 = 91,673.34 : x
  2. Step 2: Convert to fraction form
    163,293.18/225,344.40 = 91,673.34/x
  3. Step 3: Cross multiply
    163,293.18x = 225,344.40 × 91,673.34
  4. Step 4: Simplify right side
    163,293.18x = 20,658,073,798.30
  5. Step 5: Solve for x
    x = 20,658,073,798.30/163,293.18
  6. Step 6: Final answer
    x = 126,509.10

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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.