Home / 213,055.02-319,582.08-124,246.28

Finding the Fourth Proportional to 213,055.02, 319,582.08 and 124,246.28

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Solution

The fourth proportional to 213,055.02, 319,582.08 and 124,246.28 is: 186,369.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,055.02 : 319,582.08 = 124,246.28 : x
  2. Step 2: Convert to fraction form
    213,055.02/319,582.08 = 124,246.28/x
  3. Step 3: Cross multiply
    213,055.02x = 319,582.08 × 124,246.28
  4. Step 4: Simplify right side
    213,055.02x = 39,706,884,594.66
  5. Step 5: Solve for x
    x = 39,706,884,594.66/213,055.02
  6. Step 6: Final answer
    x = 186,369.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.