Home / 316,364.99-436,569.68-173,131.07

Finding the Fourth Proportional to 316,364.99, 436,569.68 and 173,131.07

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Solution

The fourth proportional to 316,364.99, 436,569.68 and 173,131.07 is: 238,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,364.99 : 436,569.68 = 173,131.07 : x
  2. Step 2: Convert to fraction form
    316,364.99/436,569.68 = 173,131.07/x
  3. Step 3: Cross multiply
    316,364.99x = 436,569.68 × 173,131.07
  4. Step 4: Simplify right side
    316,364.99x = 75,583,774,077.94
  5. Step 5: Solve for x
    x = 75,583,774,077.94/316,364.99
  6. Step 6: Final answer
    x = 238,913.21

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1.5x scale

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.