Home / 183,975.64-253,986.91-111,390.93

Finding the Fourth Proportional to 183,975.64, 253,986.91 and 111,390.93

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Solution

The fourth proportional to 183,975.64, 253,986.91 and 111,390.93 is: 153,780.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,975.64 : 253,986.91 = 111,390.93 : x
  2. Step 2: Convert to fraction form
    183,975.64/253,986.91 = 111,390.93/x
  3. Step 3: Cross multiply
    183,975.64x = 253,986.91 × 111,390.93
  4. Step 4: Simplify right side
    183,975.64x = 28,291,837,834.25
  5. Step 5: Solve for x
    x = 28,291,837,834.25/183,975.64
  6. Step 6: Final answer
    x = 153,780.35

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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.