Home / 217,613.51-326,382.64-57,690.50

Finding the Fourth Proportional to 217,613.51, 326,382.64 and 57,690.50

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Solution

The fourth proportional to 217,613.51, 326,382.64 and 57,690.50 is: 86,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,613.51 : 326,382.64 = 57,690.50 : x
  2. Step 2: Convert to fraction form
    217,613.51/326,382.64 = 57,690.50/x
  3. Step 3: Cross multiply
    217,613.51x = 326,382.64 × 57,690.50
  4. Step 4: Simplify right side
    217,613.51x = 18,829,175,916.78
  5. Step 5: Solve for x
    x = 18,829,175,916.78/217,613.51
  6. Step 6: Final answer
    x = 86,525.77

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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.