Home / 347,110.92-478,999.98-196,211.16

Finding the Fourth Proportional to 347,110.92, 478,999.98 and 196,211.16

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Solution

The fourth proportional to 347,110.92, 478,999.98 and 196,211.16 is: 270,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,110.92 : 478,999.98 = 196,211.16 : x
  2. Step 2: Convert to fraction form
    347,110.92/478,999.98 = 196,211.16/x
  3. Step 3: Cross multiply
    347,110.92x = 478,999.98 × 196,211.16
  4. Step 4: Simplify right side
    347,110.92x = 93,985,141,715.78
  5. Step 5: Solve for x
    x = 93,985,141,715.78/347,110.92
  6. Step 6: Final answer
    x = 270,764.00

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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.