Home / 213,588.70-294,758.30-118,098.81

Finding the Fourth Proportional to 213,588.70, 294,758.30 and 118,098.81

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Solution

The fourth proportional to 213,588.70, 294,758.30 and 118,098.81 is: 162,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,588.70 : 294,758.30 = 118,098.81 : x
  2. Step 2: Convert to fraction form
    213,588.70/294,758.30 = 118,098.81/x
  3. Step 3: Cross multiply
    213,588.70x = 294,758.30 × 118,098.81
  4. Step 4: Simplify right side
    213,588.70x = 34,810,604,762.87
  5. Step 5: Solve for x
    x = 34,810,604,762.87/213,588.70
  6. Step 6: Final answer
    x = 162,979.62

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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.