Home / 130,441.03-180,003.45-73,852.39

Finding the Fourth Proportional to 130,441.03, 180,003.45 and 73,852.39

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Solution

The fourth proportional to 130,441.03, 180,003.45 and 73,852.39 is: 101,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,441.03 : 180,003.45 = 73,852.39 : x
  2. Step 2: Convert to fraction form
    130,441.03/180,003.45 = 73,852.39/x
  3. Step 3: Cross multiply
    130,441.03x = 180,003.45 × 73,852.39
  4. Step 4: Simplify right side
    130,441.03x = 13,293,684,990.75
  5. Step 5: Solve for x
    x = 13,293,684,990.75/130,441.03
  6. Step 6: Final answer
    x = 101,913.37

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1.5x scale

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.