Home / 229,097.48-315,436.02-208,102.28

Finding the Fourth Proportional to 229,097.48, 315,436.02 and 208,102.28

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Solution

The fourth proportional to 229,097.48, 315,436.02 and 208,102.28 is: 286,528.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,097.48 : 315,436.02 = 208,102.28 : x
  2. Step 2: Convert to fraction form
    229,097.48/315,436.02 = 208,102.28/x
  3. Step 3: Cross multiply
    229,097.48x = 315,436.02 × 208,102.28
  4. Step 4: Simplify right side
    229,097.48x = 65,642,954,956.13
  5. Step 5: Solve for x
    x = 65,642,954,956.13/229,097.48
  6. Step 6: Final answer
    x = 286,528.49

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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.