Home / 113,442.06-170,157.90-42,359.16

Finding the Fourth Proportional to 113,442.06, 170,157.90 and 42,359.16

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Solution

The fourth proportional to 113,442.06, 170,157.90 and 42,359.16 is: 63,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,442.06 : 170,157.90 = 42,359.16 : x
  2. Step 2: Convert to fraction form
    113,442.06/170,157.90 = 42,359.16/x
  3. Step 3: Cross multiply
    113,442.06x = 170,157.90 × 42,359.16
  4. Step 4: Simplify right side
    113,442.06x = 7,207,745,711.36
  5. Step 5: Solve for x
    x = 7,207,745,711.36/113,442.06
  6. Step 6: Final answer
    x = 63,536.80

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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.