Home / 226,612.08-312,435.72-141,698.16

Finding the Fourth Proportional to 226,612.08, 312,435.72 and 141,698.16

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Solution

The fourth proportional to 226,612.08, 312,435.72 and 141,698.16 is: 195,362.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,612.08 : 312,435.72 = 141,698.16 : x
  2. Step 2: Convert to fraction form
    226,612.08/312,435.72 = 141,698.16/x
  3. Step 3: Cross multiply
    226,612.08x = 312,435.72 × 141,698.16
  4. Step 4: Simplify right side
    226,612.08x = 44,271,566,642.28
  5. Step 5: Solve for x
    x = 44,271,566,642.28/226,612.08
  6. Step 6: Final answer
    x = 195,362.78

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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.