Home / 163,749.71-225,973.01-91,151.45

Finding the Fourth Proportional to 163,749.71, 225,973.01 and 91,151.45

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Solution

The fourth proportional to 163,749.71, 225,973.01 and 91,151.45 is: 125,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,749.71 : 225,973.01 = 91,151.45 : x
  2. Step 2: Convert to fraction form
    163,749.71/225,973.01 = 91,151.45/x
  3. Step 3: Cross multiply
    163,749.71x = 225,973.01 × 91,151.45
  4. Step 4: Simplify right side
    163,749.71x = 20,597,767,066.61
  5. Step 5: Solve for x
    x = 20,597,767,066.61/163,749.71
  6. Step 6: Final answer
    x = 125,788.11

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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.