Home / 185,808.23-256,421.43-105,233.98

Finding the Fourth Proportional to 185,808.23, 256,421.43 and 105,233.98

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Solution

The fourth proportional to 185,808.23, 256,421.43 and 105,233.98 is: 145,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,808.23 : 256,421.43 = 105,233.98 : x
  2. Step 2: Convert to fraction form
    185,808.23/256,421.43 = 105,233.98/x
  3. Step 3: Cross multiply
    185,808.23x = 256,421.43 × 105,233.98
  4. Step 4: Simplify right side
    185,808.23x = 26,984,247,636.19
  5. Step 5: Solve for x
    x = 26,984,247,636.19/185,808.23
  6. Step 6: Final answer
    x = 145,226.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.