Home / 316,526.07-436,803.87-173,288.52

Finding the Fourth Proportional to 316,526.07, 436,803.87 and 173,288.52

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Solution

The fourth proportional to 316,526.07, 436,803.87 and 173,288.52 is: 239,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,526.07 : 436,803.87 = 173,288.52 : x
  2. Step 2: Convert to fraction form
    316,526.07/436,803.87 = 173,288.52/x
  3. Step 3: Cross multiply
    316,526.07x = 436,803.87 × 173,288.52
  4. Step 4: Simplify right side
    316,526.07x = 75,693,096,162.57
  5. Step 5: Solve for x
    x = 75,693,096,162.57/316,526.07
  6. Step 6: Final answer
    x = 239,137.00

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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.