Home / 144,493.04-199,439-135,681.52

Finding the Fourth Proportional to 144,493.04, 199,439 and 135,681.52

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Solution

The fourth proportional to 144,493.04, 199,439 and 135,681.52 is: 187,276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,493.04 : 199,439 = 135,681.52 : x
  2. Step 2: Convert to fraction form
    144,493.04/199,439 = 135,681.52/x
  3. Step 3: Cross multiply
    144,493.04x = 199,439 × 135,681.52
  4. Step 4: Simplify right side
    144,493.04x = 27,060,186,667.28
  5. Step 5: Solve for x
    x = 27,060,186,667.28/144,493.04
  6. Step 6: Final answer
    x = 187,276.75

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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.