Home / 163,172.14-225,176.56-91,551.94

Finding the Fourth Proportional to 163,172.14, 225,176.56 and 91,551.94

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Solution

The fourth proportional to 163,172.14, 225,176.56 and 91,551.94 is: 126,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,172.14 : 225,176.56 = 91,551.94 : x
  2. Step 2: Convert to fraction form
    163,172.14/225,176.56 = 91,551.94/x
  3. Step 3: Cross multiply
    163,172.14x = 225,176.56 × 91,551.94
  4. Step 4: Simplify right side
    163,172.14x = 20,615,350,118.71
  5. Step 5: Solve for x
    x = 20,615,350,118.71/163,172.14
  6. Step 6: Final answer
    x = 126,341.12

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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.