Home / 142,157.08-213,176.67-57,860.03

Finding the Fourth Proportional to 142,157.08, 213,176.67 and 57,860.03

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Solution

The fourth proportional to 142,157.08, 213,176.67 and 57,860.03 is: 86,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,157.08 : 213,176.67 = 57,860.03 : x
  2. Step 2: Convert to fraction form
    142,157.08/213,176.67 = 57,860.03/x
  3. Step 3: Cross multiply
    142,157.08x = 213,176.67 × 57,860.03
  4. Step 4: Simplify right side
    142,157.08x = 12,334,408,521.50
  5. Step 5: Solve for x
    x = 12,334,408,521.50/142,157.08
  6. Step 6: Final answer
    x = 86,766.05

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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.