Home / 316,724.76-436,914.54-195,827.40

Finding the Fourth Proportional to 316,724.76, 436,914.54 and 195,827.40

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Solution

The fourth proportional to 316,724.76, 436,914.54 and 195,827.40 is: 270,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,724.76 : 436,914.54 = 195,827.40 : x
  2. Step 2: Convert to fraction form
    316,724.76/436,914.54 = 195,827.40/x
  3. Step 3: Cross multiply
    316,724.76x = 436,914.54 × 195,827.40
  4. Step 4: Simplify right side
    316,724.76x = 85,559,838,390.40
  5. Step 5: Solve for x
    x = 85,559,838,390.40/316,724.76
  6. Step 6: Final answer
    x = 270,139.41

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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.