Home / 355,979.10-533,968.65-223,268.70

Finding the Fourth Proportional to 355,979.10, 533,968.65 and 223,268.70

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Solution

The fourth proportional to 355,979.10, 533,968.65 and 223,268.70 is: 334,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,979.10 : 533,968.65 = 223,268.70 : x
  2. Step 2: Convert to fraction form
    355,979.10/533,968.65 = 223,268.70/x
  3. Step 3: Cross multiply
    355,979.10x = 533,968.65 × 223,268.70
  4. Step 4: Simplify right side
    355,979.10x = 119,218,486,326.26
  5. Step 5: Solve for x
    x = 119,218,486,326.26/355,979.10
  6. Step 6: Final answer
    x = 334,903.05

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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.