Home / 347,309.07-520,664.16-134,226.50

Finding the Fourth Proportional to 347,309.07, 520,664.16 and 134,226.50

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Solution

The fourth proportional to 347,309.07, 520,664.16 and 134,226.50 is: 201,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,309.07 : 520,664.16 = 134,226.50 : x
  2. Step 2: Convert to fraction form
    347,309.07/520,664.16 = 134,226.50/x
  3. Step 3: Cross multiply
    347,309.07x = 520,664.16 × 134,226.50
  4. Step 4: Simplify right side
    347,309.07x = 69,886,925,899.45
  5. Step 5: Solve for x
    x = 69,886,925,899.45/347,309.07
  6. Step 6: Final answer
    x = 201,224.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.