Home / 164,710.32-247,078.80-46,391.28

Finding the Fourth Proportional to 164,710.32, 247,078.80 and 46,391.28

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Solution

The fourth proportional to 164,710.32, 247,078.80 and 46,391.28 is: 69,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,710.32 : 247,078.80 = 46,391.28 : x
  2. Step 2: Convert to fraction form
    164,710.32/247,078.80 = 46,391.28/x
  3. Step 3: Cross multiply
    164,710.32x = 247,078.80 × 46,391.28
  4. Step 4: Simplify right side
    164,710.32x = 11,462,301,792.86
  5. Step 5: Solve for x
    x = 11,462,301,792.86/164,710.32
  6. Step 6: Final answer
    x = 69,590.67

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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.