Home / 318,962.07-478,486.85-94,340.16

Finding the Fourth Proportional to 318,962.07, 478,486.85 and 94,340.16

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Solution

The fourth proportional to 318,962.07, 478,486.85 and 94,340.16 is: 141,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,962.07 : 478,486.85 = 94,340.16 : x
  2. Step 2: Convert to fraction form
    318,962.07/478,486.85 = 94,340.16/x
  3. Step 3: Cross multiply
    318,962.07x = 478,486.85 × 94,340.16
  4. Step 4: Simplify right side
    318,962.07x = 45,140,525,515.20
  5. Step 5: Solve for x
    x = 45,140,525,515.20/318,962.07
  6. Step 6: Final answer
    x = 141,523.18

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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.