Home / 216,934.88-299,376.36-121,441.04

Finding the Fourth Proportional to 216,934.88, 299,376.36 and 121,441.04

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Solution

The fourth proportional to 216,934.88, 299,376.36 and 121,441.04 is: 167,592.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,934.88 : 299,376.36 = 121,441.04 : x
  2. Step 2: Convert to fraction form
    216,934.88/299,376.36 = 121,441.04/x
  3. Step 3: Cross multiply
    216,934.88x = 299,376.36 × 121,441.04
  4. Step 4: Simplify right side
    216,934.88x = 36,356,576,509.81
  5. Step 5: Solve for x
    x = 36,356,576,509.81/216,934.88
  6. Step 6: Final answer
    x = 167,592.12

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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.