Home / 130,847.40-180,586.26-88,403.40

Finding the Fourth Proportional to 130,847.40, 180,586.26 and 88,403.40

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Solution

The fourth proportional to 130,847.40, 180,586.26 and 88,403.40 is: 122,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,847.40 : 180,586.26 = 88,403.40 : x
  2. Step 2: Convert to fraction form
    130,847.40/180,586.26 = 88,403.40/x
  3. Step 3: Cross multiply
    130,847.40x = 180,586.26 × 88,403.40
  4. Step 4: Simplify right side
    130,847.40x = 15,964,439,377.28
  5. Step 5: Solve for x
    x = 15,964,439,377.28/130,847.40
  6. Step 6: Final answer
    x = 122,008.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.