Home / 212,783.83-293,668.28-122,168.19

Finding the Fourth Proportional to 212,783.83, 293,668.28 and 122,168.19

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Solution

The fourth proportional to 212,783.83, 293,668.28 and 122,168.19 is: 168,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,783.83 : 293,668.28 = 122,168.19 : x
  2. Step 2: Convert to fraction form
    212,783.83/293,668.28 = 122,168.19/x
  3. Step 3: Cross multiply
    212,783.83x = 293,668.28 × 122,168.19
  4. Step 4: Simplify right side
    212,783.83x = 35,876,920,148.83
  5. Step 5: Solve for x
    x = 35,876,920,148.83/212,783.83
  6. Step 6: Final answer
    x = 168,607.36

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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.