Home / 319,300.04-478,337.70-179,157.08

Finding the Fourth Proportional to 319,300.04, 478,337.70 and 179,157.08

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Solution

The fourth proportional to 319,300.04, 478,337.70 and 179,157.08 is: 268,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,300.04 : 478,337.70 = 179,157.08 : x
  2. Step 2: Convert to fraction form
    319,300.04/478,337.70 = 179,157.08/x
  3. Step 3: Cross multiply
    319,300.04x = 478,337.70 × 179,157.08
  4. Step 4: Simplify right side
    319,300.04x = 85,697,587,453.60
  5. Step 5: Solve for x
    x = 85,697,587,453.60/319,300.04
  6. Step 6: Final answer
    x = 268,392.03

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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.