Home / 233,955.44-351,071.40-86,315.12

Finding the Fourth Proportional to 233,955.44, 351,071.40 and 86,315.12

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Solution

The fourth proportional to 233,955.44, 351,071.40 and 86,315.12 is: 129,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,955.44 : 351,071.40 = 86,315.12 : x
  2. Step 2: Convert to fraction form
    233,955.44/351,071.40 = 86,315.12/x
  3. Step 3: Cross multiply
    233,955.44x = 351,071.40 × 86,315.12
  4. Step 4: Simplify right side
    233,955.44x = 30,302,770,019.57
  5. Step 5: Solve for x
    x = 30,302,770,019.57/233,955.44
  6. Step 6: Final answer
    x = 129,523.68

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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.