Home / 286,557.34-395,431.05-159,225.34

Finding the Fourth Proportional to 286,557.34, 395,431.05 and 159,225.34

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Solution

The fourth proportional to 286,557.34, 395,431.05 and 159,225.34 is: 219,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,557.34 : 395,431.05 = 159,225.34 : x
  2. Step 2: Convert to fraction form
    286,557.34/395,431.05 = 159,225.34/x
  3. Step 3: Cross multiply
    286,557.34x = 395,431.05 × 159,225.34
  4. Step 4: Simplify right side
    286,557.34x = 62,962,643,382.81
  5. Step 5: Solve for x
    x = 62,962,643,382.81/286,557.34
  6. Step 6: Final answer
    x = 219,720.92

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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.