Home / 170,446.16-255,386.76-103,684.40

Finding the Fourth Proportional to 170,446.16, 255,386.76 and 103,684.40

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Solution

The fourth proportional to 170,446.16, 255,386.76 and 103,684.40 is: 155,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,446.16 : 255,386.76 = 103,684.40 : x
  2. Step 2: Convert to fraction form
    170,446.16/255,386.76 = 103,684.40/x
  3. Step 3: Cross multiply
    170,446.16x = 255,386.76 × 103,684.40
  4. Step 4: Simplify right side
    170,446.16x = 26,479,622,978.54
  5. Step 5: Solve for x
    x = 26,479,622,978.54/170,446.16
  6. Step 6: Final answer
    x = 155,354.76

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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.