Home / 218,296.07-301,238.54-153,791.19

Finding the Fourth Proportional to 218,296.07, 301,238.54 and 153,791.19

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Solution

The fourth proportional to 218,296.07, 301,238.54 and 153,791.19 is: 212,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,296.07 : 301,238.54 = 153,791.19 : x
  2. Step 2: Convert to fraction form
    218,296.07/301,238.54 = 153,791.19/x
  3. Step 3: Cross multiply
    218,296.07x = 301,238.54 × 153,791.19
  4. Step 4: Simplify right side
    218,296.07x = 46,327,832,771.51
  5. Step 5: Solve for x
    x = 46,327,832,771.51/218,296.07
  6. Step 6: Final answer
    x = 212,224.77

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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.