Home / 163,854.71-245,553.57-123,840.84

Finding the Fourth Proportional to 163,854.71, 245,553.57 and 123,840.84

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Solution

The fourth proportional to 163,854.71, 245,553.57 and 123,840.84 is: 185,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,854.71 : 245,553.57 = 123,840.84 : x
  2. Step 2: Convert to fraction form
    163,854.71/245,553.57 = 123,840.84/x
  3. Step 3: Cross multiply
    163,854.71x = 245,553.57 × 123,840.84
  4. Step 4: Simplify right side
    163,854.71x = 30,409,560,373.80
  5. Step 5: Solve for x
    x = 30,409,560,373.80/163,854.71
  6. Step 6: Final answer
    x = 185,588.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.