Home / 145,234.95-217,852.59-45,395.67

Finding the Fourth Proportional to 145,234.95, 217,852.59 and 45,395.67

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Solution

The fourth proportional to 145,234.95, 217,852.59 and 45,395.67 is: 68,093.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,234.95 : 217,852.59 = 45,395.67 : x
  2. Step 2: Convert to fraction form
    145,234.95/217,852.59 = 45,395.67/x
  3. Step 3: Cross multiply
    145,234.95x = 217,852.59 × 45,395.67
  4. Step 4: Simplify right side
    145,234.95x = 9,889,564,284.29
  5. Step 5: Solve for x
    x = 9,889,564,284.29/145,234.95
  6. Step 6: Final answer
    x = 68,093.56

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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.