Home / 142,482.46-213,442.80-115,858.50

Finding the Fourth Proportional to 142,482.46, 213,442.80 and 115,858.50

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Solution

The fourth proportional to 142,482.46, 213,442.80 and 115,858.50 is: 173,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,482.46 : 213,442.80 = 115,858.50 : x
  2. Step 2: Convert to fraction form
    142,482.46/213,442.80 = 115,858.50/x
  3. Step 3: Cross multiply
    142,482.46x = 213,442.80 × 115,858.50
  4. Step 4: Simplify right side
    142,482.46x = 24,729,162,643.80
  5. Step 5: Solve for x
    x = 24,729,162,643.80/142,482.46
  6. Step 6: Final answer
    x = 173,559.35

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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.