Home / 190,965.84-286,177.14-140,650.24

Finding the Fourth Proportional to 190,965.84, 286,177.14 and 140,650.24

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Solution

The fourth proportional to 190,965.84, 286,177.14 and 140,650.24 is: 210,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.84 : 286,177.14 = 140,650.24 : x
  2. Step 2: Convert to fraction form
    190,965.84/286,177.14 = 140,650.24/x
  3. Step 3: Cross multiply
    190,965.84x = 286,177.14 × 140,650.24
  4. Step 4: Simplify right side
    190,965.84x = 40,250,883,423.51
  5. Step 5: Solve for x
    x = 40,250,883,423.51/190,965.84
  6. Step 6: Final answer
    x = 210,775.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.