Home / 142,152.14-213,249.27-47,351.36

Finding the Fourth Proportional to 142,152.14, 213,249.27 and 47,351.36

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Solution

The fourth proportional to 142,152.14, 213,249.27 and 47,351.36 is: 71,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,152.14 : 213,249.27 = 47,351.36 : x
  2. Step 2: Convert to fraction form
    142,152.14/213,249.27 = 47,351.36/x
  3. Step 3: Cross multiply
    142,152.14x = 213,249.27 × 47,351.36
  4. Step 4: Simplify right side
    142,152.14x = 10,097,642,953.51
  5. Step 5: Solve for x
    x = 10,097,642,953.51/142,152.14
  6. Step 6: Final answer
    x = 71,034.06

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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.