Home / 144,487.04-199,430.72-135,675.52

Finding the Fourth Proportional to 144,487.04, 199,430.72 and 135,675.52

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Solution

The fourth proportional to 144,487.04, 199,430.72 and 135,675.52 is: 187,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,487.04 : 199,430.72 = 135,675.52 : x
  2. Step 2: Convert to fraction form
    144,487.04/199,430.72 = 135,675.52/x
  3. Step 3: Cross multiply
    144,487.04x = 199,430.72 × 135,675.52
  4. Step 4: Simplify right side
    144,487.04x = 27,057,866,639.97
  5. Step 5: Solve for x
    x = 27,057,866,639.97/144,487.04
  6. Step 6: Final answer
    x = 187,268.47

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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.