Home / 292,026.27-438,039.42-81,664.23

Finding the Fourth Proportional to 292,026.27, 438,039.42 and 81,664.23

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Solution

The fourth proportional to 292,026.27, 438,039.42 and 81,664.23 is: 122,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,026.27 : 438,039.42 = 81,664.23 : x
  2. Step 2: Convert to fraction form
    292,026.27/438,039.42 = 81,664.23/x
  3. Step 3: Cross multiply
    292,026.27x = 438,039.42 × 81,664.23
  4. Step 4: Simplify right side
    292,026.27x = 35,772,151,943.95
  5. Step 5: Solve for x
    x = 35,772,151,943.95/292,026.27
  6. Step 6: Final answer
    x = 122,496.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.