Home / 107,358.40-161,008.44-89,702.02

Finding the Fourth Proportional to 107,358.40, 161,008.44 and 89,702.02

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Solution

The fourth proportional to 107,358.40, 161,008.44 and 89,702.02 is: 134,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,358.40 : 161,008.44 = 89,702.02 : x
  2. Step 2: Convert to fraction form
    107,358.40/161,008.44 = 89,702.02/x
  3. Step 3: Cross multiply
    107,358.40x = 161,008.44 × 89,702.02
  4. Step 4: Simplify right side
    107,358.40x = 14,442,782,305.05
  5. Step 5: Solve for x
    x = 14,442,782,305.05/107,358.40
  6. Step 6: Final answer
    x = 134,528.67

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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.