Home / 281,055.24-421,867.85-249,238.50

Finding the Fourth Proportional to 281,055.24, 421,867.85 and 249,238.50

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Solution

The fourth proportional to 281,055.24, 421,867.85 and 249,238.50 is: 374,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,055.24 : 421,867.85 = 249,238.50 : x
  2. Step 2: Convert to fraction form
    281,055.24/421,867.85 = 249,238.50/x
  3. Step 3: Cross multiply
    281,055.24x = 421,867.85 × 249,238.50
  4. Step 4: Simplify right side
    281,055.24x = 105,145,710,132.23
  5. Step 5: Solve for x
    x = 105,145,710,132.23/281,055.24
  6. Step 6: Final answer
    x = 374,110.48

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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.