Home / 183,678.83-253,474.63-103,104.28

Finding the Fourth Proportional to 183,678.83, 253,474.63 and 103,104.28

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Solution

The fourth proportional to 183,678.83, 253,474.63 and 103,104.28 is: 142,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,678.83 : 253,474.63 = 103,104.28 : x
  2. Step 2: Convert to fraction form
    183,678.83/253,474.63 = 103,104.28/x
  3. Step 3: Cross multiply
    183,678.83x = 253,474.63 × 103,104.28
  4. Step 4: Simplify right side
    183,678.83x = 26,134,319,224.42
  5. Step 5: Solve for x
    x = 26,134,319,224.42/183,678.83
  6. Step 6: Final answer
    x = 142,282.70

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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.