Home / 252,101.32-347,916.66-138,924.06

Finding the Fourth Proportional to 252,101.32, 347,916.66 and 138,924.06

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Solution

The fourth proportional to 252,101.32, 347,916.66 and 138,924.06 is: 191,724.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,101.32 : 347,916.66 = 138,924.06 : x
  2. Step 2: Convert to fraction form
    252,101.32/347,916.66 = 138,924.06/x
  3. Step 3: Cross multiply
    252,101.32x = 347,916.66 × 138,924.06
  4. Step 4: Simplify right side
    252,101.32x = 48,333,994,948.84
  5. Step 5: Solve for x
    x = 48,333,994,948.84/252,101.32
  6. Step 6: Final answer
    x = 191,724.48

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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.