Home / 216,619.02-299,009.52-148,860.36

Finding the Fourth Proportional to 216,619.02, 299,009.52 and 148,860.36

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Solution

The fourth proportional to 216,619.02, 299,009.52 and 148,860.36 is: 205,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,619.02 : 299,009.52 = 148,860.36 : x
  2. Step 2: Convert to fraction form
    216,619.02/299,009.52 = 148,860.36/x
  3. Step 3: Cross multiply
    216,619.02x = 299,009.52 × 148,860.36
  4. Step 4: Simplify right side
    216,619.02x = 44,510,664,790.63
  5. Step 5: Solve for x
    x = 44,510,664,790.63/216,619.02
  6. Step 6: Final answer
    x = 205,479.02

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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.