Home / 259,116-357,669.57-151,720.56

Finding the Fourth Proportional to 259,116, 357,669.57 and 151,720.56

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Solution

The fourth proportional to 259,116, 357,669.57 and 151,720.56 is: 209,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,116 : 357,669.57 = 151,720.56 : x
  2. Step 2: Convert to fraction form
    259,116/357,669.57 = 151,720.56/x
  3. Step 3: Cross multiply
    259,116x = 357,669.57 × 151,720.56
  4. Step 4: Simplify right side
    259,116x = 54,265,827,455.36
  5. Step 5: Solve for x
    x = 54,265,827,455.36/259,116
  6. Step 6: Final answer
    x = 209,426.77

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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.