Home / 183,895.12-253,747.79-103,307.32

Finding the Fourth Proportional to 183,895.12, 253,747.79 and 103,307.32

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Solution

The fourth proportional to 183,895.12, 253,747.79 and 103,307.32 is: 142,548.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,895.12 : 253,747.79 = 103,307.32 : x
  2. Step 2: Convert to fraction form
    183,895.12/253,747.79 = 103,307.32/x
  3. Step 3: Cross multiply
    183,895.12x = 253,747.79 × 103,307.32
  4. Step 4: Simplify right side
    183,895.12x = 26,214,002,872.08
  5. Step 5: Solve for x
    x = 26,214,002,872.08/183,895.12
  6. Step 6: Final answer
    x = 142,548.66

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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.