Home / 474,632.12-711,885-159,091.76

Finding the Fourth Proportional to 474,632.12, 711,885 and 159,091.76

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Solution

The fourth proportional to 474,632.12, 711,885 and 159,091.76 is: 238,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,632.12 : 711,885 = 159,091.76 : x
  2. Step 2: Convert to fraction form
    474,632.12/711,885 = 159,091.76/x
  3. Step 3: Cross multiply
    474,632.12x = 711,885 × 159,091.76
  4. Step 4: Simplify right side
    474,632.12x = 113,255,037,567.60
  5. Step 5: Solve for x
    x = 113,255,037,567.60/474,632.12
  6. Step 6: Final answer
    x = 238,616.46

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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.