Home / 217,643.16-326,449.26-57,715.55

Finding the Fourth Proportional to 217,643.16, 326,449.26 and 57,715.55

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Solution

The fourth proportional to 217,643.16, 326,449.26 and 57,715.55 is: 86,569.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,643.16 : 326,449.26 = 57,715.55 : x
  2. Step 2: Convert to fraction form
    217,643.16/326,449.26 = 57,715.55/x
  3. Step 3: Cross multiply
    217,643.16x = 326,449.26 × 57,715.55
  4. Step 4: Simplify right side
    217,643.16x = 18,841,196,955.75
  5. Step 5: Solve for x
    x = 18,841,196,955.75/217,643.16
  6. Step 6: Final answer
    x = 86,569.21

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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.