Home / 211,230.24-316,916.04-69,082.08

Finding the Fourth Proportional to 211,230.24, 316,916.04 and 69,082.08

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Solution

The fourth proportional to 211,230.24, 316,916.04 and 69,082.08 is: 103,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,230.24 : 316,916.04 = 69,082.08 : x
  2. Step 2: Convert to fraction form
    211,230.24/316,916.04 = 69,082.08/x
  3. Step 3: Cross multiply
    211,230.24x = 316,916.04 × 69,082.08
  4. Step 4: Simplify right side
    211,230.24x = 21,893,219,228.56
  5. Step 5: Solve for x
    x = 21,893,219,228.56/211,230.24
  6. Step 6: Final answer
    x = 103,646.24

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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.