Home / 160,700.30-221,751.51-89,074.23

Finding the Fourth Proportional to 160,700.30, 221,751.51 and 89,074.23

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Solution

The fourth proportional to 160,700.30, 221,751.51 and 89,074.23 is: 122,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,700.30 : 221,751.51 = 89,074.23 : x
  2. Step 2: Convert to fraction form
    160,700.30/221,751.51 = 89,074.23/x
  3. Step 3: Cross multiply
    160,700.30x = 221,751.51 × 89,074.23
  4. Step 4: Simplify right side
    160,700.30x = 19,752,345,004.59
  5. Step 5: Solve for x
    x = 19,752,345,004.59/160,700.30
  6. Step 6: Final answer
    x = 122,914.18

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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.