Home / 253,217.82-349,434.63-140,038.14

Finding the Fourth Proportional to 253,217.82, 349,434.63 and 140,038.14

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Solution

The fourth proportional to 253,217.82, 349,434.63 and 140,038.14 is: 193,249.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,217.82 : 349,434.63 = 140,038.14 : x
  2. Step 2: Convert to fraction form
    253,217.82/349,434.63 = 140,038.14/x
  3. Step 3: Cross multiply
    253,217.82x = 349,434.63 × 140,038.14
  4. Step 4: Simplify right side
    253,217.82x = 48,934,175,636.79
  5. Step 5: Solve for x
    x = 48,934,175,636.79/253,217.82
  6. Step 6: Final answer
    x = 193,249.34

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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.