Home / 154,824.72-213,675.18-86,848.32

Finding the Fourth Proportional to 154,824.72, 213,675.18 and 86,848.32

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Solution

The fourth proportional to 154,824.72, 213,675.18 and 86,848.32 is: 119,860.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,824.72 : 213,675.18 = 86,848.32 : x
  2. Step 2: Convert to fraction form
    154,824.72/213,675.18 = 86,848.32/x
  3. Step 3: Cross multiply
    154,824.72x = 213,675.18 × 86,848.32
  4. Step 4: Simplify right side
    154,824.72x = 18,557,330,408.70
  5. Step 5: Solve for x
    x = 18,557,330,408.70/154,824.72
  6. Step 6: Final answer
    x = 119,860.25

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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.