Home / 316,795.10-437,192.98-195,999.26

Finding the Fourth Proportional to 316,795.10, 437,192.98 and 195,999.26

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Solution

The fourth proportional to 316,795.10, 437,192.98 and 195,999.26 is: 270,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,795.10 : 437,192.98 = 195,999.26 : x
  2. Step 2: Convert to fraction form
    316,795.10/437,192.98 = 195,999.26/x
  3. Step 3: Cross multiply
    316,795.10x = 437,192.98 × 195,999.26
  4. Step 4: Simplify right side
    316,795.10x = 85,689,497,881.23
  5. Step 5: Solve for x
    x = 85,689,497,881.23/316,795.10
  6. Step 6: Final answer
    x = 270,488.71

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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.