Home / 243,939.12-336,674.16-153,307.44

Finding the Fourth Proportional to 243,939.12, 336,674.16 and 153,307.44

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Solution

The fourth proportional to 243,939.12, 336,674.16 and 153,307.44 is: 211,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,939.12 : 336,674.16 = 153,307.44 : x
  2. Step 2: Convert to fraction form
    243,939.12/336,674.16 = 153,307.44/x
  3. Step 3: Cross multiply
    243,939.12x = 336,674.16 × 153,307.44
  4. Step 4: Simplify right side
    243,939.12x = 51,614,653,583.75
  5. Step 5: Solve for x
    x = 51,614,653,583.75/243,939.12
  6. Step 6: Final answer
    x = 211,588.26

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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.