Home / 306,935.83-423,592.64-186,082.21

Finding the Fourth Proportional to 306,935.83, 423,592.64 and 186,082.21

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Solution

The fourth proportional to 306,935.83, 423,592.64 and 186,082.21 is: 256,806.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,935.83 : 423,592.64 = 186,082.21 : x
  2. Step 2: Convert to fraction form
    306,935.83/423,592.64 = 186,082.21/x
  3. Step 3: Cross multiply
    306,935.83x = 423,592.64 × 186,082.21
  4. Step 4: Simplify right side
    306,935.83x = 78,823,054,887.82
  5. Step 5: Solve for x
    x = 78,823,054,887.82/306,935.83
  6. Step 6: Final answer
    x = 256,806.30

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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.