Home / 146,640.40-202,368.22-86,199.94

Finding the Fourth Proportional to 146,640.40, 202,368.22 and 86,199.94

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Solution

The fourth proportional to 146,640.40, 202,368.22 and 86,199.94 is: 118,958.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,640.40 : 202,368.22 = 86,199.94 : x
  2. Step 2: Convert to fraction form
    146,640.40/202,368.22 = 86,199.94/x
  3. Step 3: Cross multiply
    146,640.40x = 202,368.22 × 86,199.94
  4. Step 4: Simplify right side
    146,640.40x = 17,444,128,421.91
  5. Step 5: Solve for x
    x = 17,444,128,421.91/146,640.40
  6. Step 6: Final answer
    x = 118,958.54

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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.