Home / 190,944.80-286,028.40-97,503.20

Finding the Fourth Proportional to 190,944.80, 286,028.40 and 97,503.20

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Solution

The fourth proportional to 190,944.80, 286,028.40 and 97,503.20 is: 146,056.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,944.80 : 286,028.40 = 97,503.20 : x
  2. Step 2: Convert to fraction form
    190,944.80/286,028.40 = 97,503.20/x
  3. Step 3: Cross multiply
    190,944.80x = 286,028.40 × 97,503.20
  4. Step 4: Simplify right side
    190,944.80x = 27,888,684,290.88
  5. Step 5: Solve for x
    x = 27,888,684,290.88/190,944.80
  6. Step 6: Final answer
    x = 146,056.26

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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.