Home / 235,111.64-324,460.48-138,322.30

Finding the Fourth Proportional to 235,111.64, 324,460.48 and 138,322.30

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Solution

The fourth proportional to 235,111.64, 324,460.48 and 138,322.30 is: 190,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,111.64 : 324,460.48 = 138,322.30 : x
  2. Step 2: Convert to fraction form
    235,111.64/324,460.48 = 138,322.30/x
  3. Step 3: Cross multiply
    235,111.64x = 324,460.48 × 138,322.30
  4. Step 4: Simplify right side
    235,111.64x = 44,880,119,852.70
  5. Step 5: Solve for x
    x = 44,880,119,852.70/235,111.64
  6. Step 6: Final answer
    x = 190,888.55

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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.