Home / 249,826.96-374,883.28-105,721.43

Finding the Fourth Proportional to 249,826.96, 374,883.28 and 105,721.43

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Solution

The fourth proportional to 249,826.96, 374,883.28 and 105,721.43 is: 158,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,826.96 : 374,883.28 = 105,721.43 : x
  2. Step 2: Convert to fraction form
    249,826.96/374,883.28 = 105,721.43/x
  3. Step 3: Cross multiply
    249,826.96x = 374,883.28 × 105,721.43
  4. Step 4: Simplify right side
    249,826.96x = 39,633,196,444.69
  5. Step 5: Solve for x
    x = 39,633,196,444.69/249,826.96
  6. Step 6: Final answer
    x = 158,642.59

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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.