Home / 212,784.18-293,662.86-158,975.79

Finding the Fourth Proportional to 212,784.18, 293,662.86 and 158,975.79

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Solution

The fourth proportional to 212,784.18, 293,662.86 and 158,975.79 is: 219,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784.18 : 293,662.86 = 158,975.79 : x
  2. Step 2: Convert to fraction form
    212,784.18/293,662.86 = 158,975.79/x
  3. Step 3: Cross multiply
    212,784.18x = 293,662.86 × 158,975.79
  4. Step 4: Simplify right side
    212,784.18x = 46,685,285,162.16
  5. Step 5: Solve for x
    x = 46,685,285,162.16/212,784.18
  6. Step 6: Final answer
    x = 219,402.05

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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.