Home / 238,700.18-357,994.67-105,507.86

Finding the Fourth Proportional to 238,700.18, 357,994.67 and 105,507.86

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Solution

The fourth proportional to 238,700.18, 357,994.67 and 105,507.86 is: 158,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,700.18 : 357,994.67 = 105,507.86 : x
  2. Step 2: Convert to fraction form
    238,700.18/357,994.67 = 105,507.86/x
  3. Step 3: Cross multiply
    238,700.18x = 357,994.67 × 105,507.86
  4. Step 4: Simplify right side
    238,700.18x = 37,771,251,523.11
  5. Step 5: Solve for x
    x = 37,771,251,523.11/238,700.18
  6. Step 6: Final answer
    x = 158,237.21

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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.