Home / 142,552.08-213,875.61-47,791.63

Finding the Fourth Proportional to 142,552.08, 213,875.61 and 47,791.63

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Solution

The fourth proportional to 142,552.08, 213,875.61 and 47,791.63 is: 71,703.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,552.08 : 213,875.61 = 47,791.63 : x
  2. Step 2: Convert to fraction form
    142,552.08/213,875.61 = 47,791.63/x
  3. Step 3: Cross multiply
    142,552.08x = 213,875.61 × 47,791.63
  4. Step 4: Simplify right side
    142,552.08x = 10,221,464,019.14
  5. Step 5: Solve for x
    x = 10,221,464,019.14/142,552.08
  6. Step 6: Final answer
    x = 71,703.37

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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.