Home / 213,657.21-294,821.37-118,150.92

Finding the Fourth Proportional to 213,657.21, 294,821.37 and 118,150.92

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Solution

The fourth proportional to 213,657.21, 294,821.37 and 118,150.92 is: 163,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,657.21 : 294,821.37 = 118,150.92 : x
  2. Step 2: Convert to fraction form
    213,657.21/294,821.37 = 118,150.92/x
  3. Step 3: Cross multiply
    213,657.21x = 294,821.37 × 118,150.92
  4. Step 4: Simplify right side
    213,657.21x = 34,833,416,101.16
  5. Step 5: Solve for x
    x = 34,833,416,101.16/213,657.21
  6. Step 6: Final answer
    x = 163,034.12

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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.