Home / 163,504.16-225,641.68-91,885.60

Finding the Fourth Proportional to 163,504.16, 225,641.68 and 91,885.60

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Solution

The fourth proportional to 163,504.16, 225,641.68 and 91,885.60 is: 126,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,504.16 : 225,641.68 = 91,885.60 : x
  2. Step 2: Convert to fraction form
    163,504.16/225,641.68 = 91,885.60/x
  3. Step 3: Cross multiply
    163,504.16x = 225,641.68 × 91,885.60
  4. Step 4: Simplify right side
    163,504.16x = 20,733,221,151.81
  5. Step 5: Solve for x
    x = 20,733,221,151.81/163,504.16
  6. Step 6: Final answer
    x = 126,805.47

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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.