Home / 183,729.54-253,527.18-103,165.86

Finding the Fourth Proportional to 183,729.54, 253,527.18 and 103,165.86

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Solution

The fourth proportional to 183,729.54, 253,527.18 and 103,165.86 is: 142,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,729.54 : 253,527.18 = 103,165.86 : x
  2. Step 2: Convert to fraction form
    183,729.54/253,527.18 = 103,165.86/x
  3. Step 3: Cross multiply
    183,729.54x = 253,527.18 × 103,165.86
  4. Step 4: Simplify right side
    183,729.54x = 26,155,349,558.07
  5. Step 5: Solve for x
    x = 26,155,349,558.07/183,729.54
  6. Step 6: Final answer
    x = 142,357.89

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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.