Home / 226,336.02-312,226.59-153,742.65

Finding the Fourth Proportional to 226,336.02, 312,226.59 and 153,742.65

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Solution

The fourth proportional to 226,336.02, 312,226.59 and 153,742.65 is: 212,085.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,336.02 : 312,226.59 = 153,742.65 : x
  2. Step 2: Convert to fraction form
    226,336.02/312,226.59 = 153,742.65/x
  3. Step 3: Cross multiply
    226,336.02x = 312,226.59 × 153,742.65
  4. Step 4: Simplify right side
    226,336.02x = 48,002,543,347.06
  5. Step 5: Solve for x
    x = 48,002,543,347.06/226,336.02
  6. Step 6: Final answer
    x = 212,085.30

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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.