Home / 253,569.60-349,936.98-140,392.35

Finding the Fourth Proportional to 253,569.60, 349,936.98 and 140,392.35

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Solution

The fourth proportional to 253,569.60, 349,936.98 and 140,392.35 is: 193,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,569.60 : 349,936.98 = 140,392.35 : x
  2. Step 2: Convert to fraction form
    253,569.60/349,936.98 = 140,392.35/x
  3. Step 3: Cross multiply
    253,569.60x = 349,936.98 × 140,392.35
  4. Step 4: Simplify right side
    253,569.60x = 49,128,473,224.42
  5. Step 5: Solve for x
    x = 49,128,473,224.42/253,569.60
  6. Step 6: Final answer
    x = 193,747.49

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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.