Home / 163,632.20-245,519.37-88,805.21

Finding the Fourth Proportional to 163,632.20, 245,519.37 and 88,805.21

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Solution

The fourth proportional to 163,632.20, 245,519.37 and 88,805.21 is: 133,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,632.20 : 245,519.37 = 88,805.21 : x
  2. Step 2: Convert to fraction form
    163,632.20/245,519.37 = 88,805.21/x
  3. Step 3: Cross multiply
    163,632.20x = 245,519.37 × 88,805.21
  4. Step 4: Simplify right side
    163,632.20x = 21,803,397,984.32
  5. Step 5: Solve for x
    x = 21,803,397,984.32/163,632.20
  6. Step 6: Final answer
    x = 133,246.38

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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.