Home / 259,313.36-357,873.48-146,143.76

Finding the Fourth Proportional to 259,313.36, 357,873.48 and 146,143.76

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Solution

The fourth proportional to 259,313.36, 357,873.48 and 146,143.76 is: 201,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,313.36 : 357,873.48 = 146,143.76 : x
  2. Step 2: Convert to fraction form
    259,313.36/357,873.48 = 146,143.76/x
  3. Step 3: Cross multiply
    259,313.36x = 357,873.48 × 146,143.76
  4. Step 4: Simplify right side
    259,313.36x = 52,300,975,971.48
  5. Step 5: Solve for x
    x = 52,300,975,971.48/259,313.36
  6. Step 6: Final answer
    x = 201,690.25

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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.