Home / 163,286.69-225,360.23-99,661.46

Finding the Fourth Proportional to 163,286.69, 225,360.23 and 99,661.46

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Solution

The fourth proportional to 163,286.69, 225,360.23 and 99,661.46 is: 137,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,286.69 : 225,360.23 = 99,661.46 : x
  2. Step 2: Convert to fraction form
    163,286.69/225,360.23 = 99,661.46/x
  3. Step 3: Cross multiply
    163,286.69x = 225,360.23 × 99,661.46
  4. Step 4: Simplify right side
    163,286.69x = 22,459,727,922.63
  5. Step 5: Solve for x
    x = 22,459,727,922.63/163,286.69
  6. Step 6: Final answer
    x = 137,547.82

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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.