Home / 212,453.86-293,174.89-121,805.41

Finding the Fourth Proportional to 212,453.86, 293,174.89 and 121,805.41

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Solution

The fourth proportional to 212,453.86, 293,174.89 and 121,805.41 is: 168,084.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,453.86 : 293,174.89 = 121,805.41 : x
  2. Step 2: Convert to fraction form
    212,453.86/293,174.89 = 121,805.41/x
  3. Step 3: Cross multiply
    212,453.86x = 293,174.89 × 121,805.41
  4. Step 4: Simplify right side
    212,453.86x = 35,710,287,678.15
  5. Step 5: Solve for x
    x = 35,710,287,678.15/212,453.86
  6. Step 6: Final answer
    x = 168,084.91

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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.