Home / 165,945.60-249,015.60-60,775.20

Finding the Fourth Proportional to 165,945.60, 249,015.60 and 60,775.20

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Solution

The fourth proportional to 165,945.60, 249,015.60 and 60,775.20 is: 91,198.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,945.60 : 249,015.60 = 60,775.20 : x
  2. Step 2: Convert to fraction form
    165,945.60/249,015.60 = 60,775.20/x
  3. Step 3: Cross multiply
    165,945.60x = 249,015.60 × 60,775.20
  4. Step 4: Simplify right side
    165,945.60x = 15,133,972,893.12
  5. Step 5: Solve for x
    x = 15,133,972,893.12/165,945.60
  6. Step 6: Final answer
    x = 91,198.40

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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.