Home / 154,561.01-213,084.77-132,140.84

Finding the Fourth Proportional to 154,561.01, 213,084.77 and 132,140.84

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Solution

The fourth proportional to 154,561.01, 213,084.77 and 132,140.84 is: 182,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,561.01 : 213,084.77 = 132,140.84 : x
  2. Step 2: Convert to fraction form
    154,561.01/213,084.77 = 132,140.84/x
  3. Step 3: Cross multiply
    154,561.01x = 213,084.77 × 132,140.84
  4. Step 4: Simplify right side
    154,561.01x = 28,157,201,362.07
  5. Step 5: Solve for x
    x = 28,157,201,362.07/154,561.01
  6. Step 6: Final answer
    x = 182,175.32

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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.