Home / 212,652.72-293,557.77-151,438.32

Finding the Fourth Proportional to 212,652.72, 293,557.77 and 151,438.32

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Solution

The fourth proportional to 212,652.72, 293,557.77 and 151,438.32 is: 209,053.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652.72 : 293,557.77 = 151,438.32 : x
  2. Step 2: Convert to fraction form
    212,652.72/293,557.77 = 151,438.32/x
  3. Step 3: Cross multiply
    212,652.72x = 293,557.77 × 151,438.32
  4. Step 4: Simplify right side
    212,652.72x = 44,455,895,511.75
  5. Step 5: Solve for x
    x = 44,455,895,511.75/212,652.72
  6. Step 6: Final answer
    x = 209,053.97

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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.