Home / 281,572.23-388,566.59-152,507.50

Finding the Fourth Proportional to 281,572.23, 388,566.59 and 152,507.50

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Solution

The fourth proportional to 281,572.23, 388,566.59 and 152,507.50 is: 210,458.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,572.23 : 388,566.59 = 152,507.50 : x
  2. Step 2: Convert to fraction form
    281,572.23/388,566.59 = 152,507.50/x
  3. Step 3: Cross multiply
    281,572.23x = 388,566.59 × 152,507.50
  4. Step 4: Simplify right side
    281,572.23x = 59,259,318,348.33
  5. Step 5: Solve for x
    x = 59,259,318,348.33/281,572.23
  6. Step 6: Final answer
    x = 210,458.67

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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.