Home / 159,047.55-219,486.07-91,065.57

Finding the Fourth Proportional to 159,047.55, 219,486.07 and 91,065.57

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Solution

The fourth proportional to 159,047.55, 219,486.07 and 91,065.57 is: 125,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,047.55 : 219,486.07 = 91,065.57 : x
  2. Step 2: Convert to fraction form
    159,047.55/219,486.07 = 91,065.57/x
  3. Step 3: Cross multiply
    159,047.55x = 219,486.07 × 91,065.57
  4. Step 4: Simplify right side
    159,047.55x = 19,987,624,071.61
  5. Step 5: Solve for x
    x = 19,987,624,071.61/159,047.55
  6. Step 6: Final answer
    x = 125,670.74

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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.