Home / 134,249.37-201,363.47-78,053.63

Finding the Fourth Proportional to 134,249.37, 201,363.47 and 78,053.63

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Solution

The fourth proportional to 134,249.37, 201,363.47 and 78,053.63 is: 117,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,249.37 : 201,363.47 = 78,053.63 : x
  2. Step 2: Convert to fraction form
    134,249.37/201,363.47 = 78,053.63/x
  3. Step 3: Cross multiply
    134,249.37x = 201,363.47 × 78,053.63
  4. Step 4: Simplify right side
    134,249.37x = 15,717,148,678.51
  5. Step 5: Solve for x
    x = 15,717,148,678.51/134,249.37
  6. Step 6: Final answer
    x = 117,074.29

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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.