Home / 313,827.30-470,738.79-103,482.18

Finding the Fourth Proportional to 313,827.30, 470,738.79 and 103,482.18

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Solution

The fourth proportional to 313,827.30, 470,738.79 and 103,482.18 is: 155,222.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,827.30 : 470,738.79 = 103,482.18 : x
  2. Step 2: Convert to fraction form
    313,827.30/470,738.79 = 103,482.18/x
  3. Step 3: Cross multiply
    313,827.30x = 470,738.79 × 103,482.18
  4. Step 4: Simplify right side
    313,827.30x = 48,713,076,199.76
  5. Step 5: Solve for x
    x = 48,713,076,199.76/313,827.30
  6. Step 6: Final answer
    x = 155,222.56

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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.