Home / 356,170.23-534,254.13-145,808.37

Finding the Fourth Proportional to 356,170.23, 534,254.13 and 145,808.37

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Solution

The fourth proportional to 356,170.23, 534,254.13 and 145,808.37 is: 218,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,170.23 : 534,254.13 = 145,808.37 : x
  2. Step 2: Convert to fraction form
    356,170.23/534,254.13 = 145,808.37/x
  3. Step 3: Cross multiply
    356,170.23x = 534,254.13 × 145,808.37
  4. Step 4: Simplify right side
    356,170.23x = 77,898,723,861.07
  5. Step 5: Solve for x
    x = 77,898,723,861.07/356,170.23
  6. Step 6: Final answer
    x = 218,712.06

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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.