Home / 348,331.50-522,060.12-188,401.05

Finding the Fourth Proportional to 348,331.50, 522,060.12 and 188,401.05

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Solution

The fourth proportional to 348,331.50, 522,060.12 and 188,401.05 is: 282,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,331.50 : 522,060.12 = 188,401.05 : x
  2. Step 2: Convert to fraction form
    348,331.50/522,060.12 = 188,401.05/x
  3. Step 3: Cross multiply
    348,331.50x = 522,060.12 × 188,401.05
  4. Step 4: Simplify right side
    348,331.50x = 98,356,674,771.13
  5. Step 5: Solve for x
    x = 98,356,674,771.13/348,331.50
  6. Step 6: Final answer
    x = 282,365.15

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1.5x scale

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.