Home / 154,016.19-212,301.23-141,643.58

Finding the Fourth Proportional to 154,016.19, 212,301.23 and 141,643.58

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Solution

The fourth proportional to 154,016.19, 212,301.23 and 141,643.58 is: 195,246.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,016.19 : 212,301.23 = 141,643.58 : x
  2. Step 2: Convert to fraction form
    154,016.19/212,301.23 = 141,643.58/x
  3. Step 3: Cross multiply
    154,016.19x = 212,301.23 × 141,643.58
  4. Step 4: Simplify right side
    154,016.19x = 30,071,104,485.88
  5. Step 5: Solve for x
    x = 30,071,104,485.88/154,016.19
  6. Step 6: Final answer
    x = 195,246.39

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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.