Home / 210,632.16-290,658.60-119,974.80

Finding the Fourth Proportional to 210,632.16, 290,658.60 and 119,974.80

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Solution

The fourth proportional to 210,632.16, 290,658.60 and 119,974.80 is: 165,557.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,632.16 : 290,658.60 = 119,974.80 : x
  2. Step 2: Convert to fraction form
    210,632.16/290,658.60 = 119,974.80/x
  3. Step 3: Cross multiply
    210,632.16x = 290,658.60 × 119,974.80
  4. Step 4: Simplify right side
    210,632.16x = 34,871,707,403.28
  5. Step 5: Solve for x
    x = 34,871,707,403.28/210,632.16
  6. Step 6: Final answer
    x = 165,557.37

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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.