Home / 316,510.08-436,783.19-173,268.87

Finding the Fourth Proportional to 316,510.08, 436,783.19 and 173,268.87

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Solution

The fourth proportional to 316,510.08, 436,783.19 and 173,268.87 is: 239,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,510.08 : 436,783.19 = 173,268.87 : x
  2. Step 2: Convert to fraction form
    316,510.08/436,783.19 = 173,268.87/x
  3. Step 3: Cross multiply
    316,510.08x = 436,783.19 × 173,268.87
  4. Step 4: Simplify right side
    316,510.08x = 75,680,928,899.95
  5. Step 5: Solve for x
    x = 75,680,928,899.95/316,510.08
  6. Step 6: Final answer
    x = 239,110.64

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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.