Home / 213,615.36-294,792.48-118,120.32

Finding the Fourth Proportional to 213,615.36, 294,792.48 and 118,120.32

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Solution

The fourth proportional to 213,615.36, 294,792.48 and 118,120.32 is: 163,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,615.36 : 294,792.48 = 118,120.32 : x
  2. Step 2: Convert to fraction form
    213,615.36/294,792.48 = 118,120.32/x
  3. Step 3: Cross multiply
    213,615.36x = 294,792.48 × 118,120.32
  4. Step 4: Simplify right side
    213,615.36x = 34,820,982,071.19
  5. Step 5: Solve for x
    x = 34,820,982,071.19/213,615.36
  6. Step 6: Final answer
    x = 163,007.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.