Home / 249,826.47-374,882.54-105,720.94

Finding the Fourth Proportional to 249,826.47, 374,882.54 and 105,720.94

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Solution

The fourth proportional to 249,826.47, 374,882.54 and 105,720.94 is: 158,641.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,826.47 : 374,882.54 = 105,720.94 : x
  2. Step 2: Convert to fraction form
    249,826.47/374,882.54 = 105,720.94/x
  3. Step 3: Cross multiply
    249,826.47x = 374,882.54 × 105,720.94
  4. Step 4: Simplify right side
    249,826.47x = 39,632,934,518.39
  5. Step 5: Solve for x
    x = 39,632,934,518.39/249,826.47
  6. Step 6: Final answer
    x = 158,641.85

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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.