Home / 357,822.48-493,785-196,677.84

Finding the Fourth Proportional to 357,822.48, 493,785 and 196,677.84

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Solution

The fourth proportional to 357,822.48, 493,785 and 196,677.84 is: 271,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,822.48 : 493,785 = 196,677.84 : x
  2. Step 2: Convert to fraction form
    357,822.48/493,785 = 196,677.84/x
  3. Step 3: Cross multiply
    357,822.48x = 493,785 × 196,677.84
  4. Step 4: Simplify right side
    357,822.48x = 97,116,567,224.40
  5. Step 5: Solve for x
    x = 97,116,567,224.40/357,822.48
  6. Step 6: Final answer
    x = 271,409.91

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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.