Home / 170,370.47-255,556.65-70,476.55

Finding the Fourth Proportional to 170,370.47, 255,556.65 and 70,476.55

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Solution

The fourth proportional to 170,370.47, 255,556.65 and 70,476.55 is: 105,715.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,370.47 : 255,556.65 = 70,476.55 : x
  2. Step 2: Convert to fraction form
    170,370.47/255,556.65 = 70,476.55/x
  3. Step 3: Cross multiply
    170,370.47x = 255,556.65 × 70,476.55
  4. Step 4: Simplify right side
    170,370.47x = 18,010,749,743.77
  5. Step 5: Solve for x
    x = 18,010,749,743.77/170,370.47
  6. Step 6: Final answer
    x = 105,715.21

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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.