Home / 113,346.90-170,020.35-68,246.10

Finding the Fourth Proportional to 113,346.90, 170,020.35 and 68,246.10

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Solution

The fourth proportional to 113,346.90, 170,020.35 and 68,246.10 is: 102,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.90 : 170,020.35 = 68,246.10 : x
  2. Step 2: Convert to fraction form
    113,346.90/170,020.35 = 68,246.10/x
  3. Step 3: Cross multiply
    113,346.90x = 170,020.35 × 68,246.10
  4. Step 4: Simplify right side
    113,346.90x = 11,603,225,808.14
  5. Step 5: Solve for x
    x = 11,603,225,808.14/113,346.90
  6. Step 6: Final answer
    x = 102,369.15

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1.5x scale

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.