Home / 213,520.80-294,653.52-118,025.04

Finding the Fourth Proportional to 213,520.80, 294,653.52 and 118,025.04

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Solution

The fourth proportional to 213,520.80, 294,653.52 and 118,025.04 is: 162,871.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,520.80 : 294,653.52 = 118,025.04 : x
  2. Step 2: Convert to fraction form
    213,520.80/294,653.52 = 118,025.04/x
  3. Step 3: Cross multiply
    213,520.80x = 294,653.52 × 118,025.04
  4. Step 4: Simplify right side
    213,520.80x = 34,776,493,484.14
  5. Step 5: Solve for x
    x = 34,776,493,484.14/213,520.80
  6. Step 6: Final answer
    x = 162,871.69

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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.