Home / 306,935.04-423,779.16-192,261.06

Finding the Fourth Proportional to 306,935.04, 423,779.16 and 192,261.06

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Solution

The fourth proportional to 306,935.04, 423,779.16 and 192,261.06 is: 265,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,935.04 : 423,779.16 = 192,261.06 : x
  2. Step 2: Convert to fraction form
    306,935.04/423,779.16 = 192,261.06/x
  3. Step 3: Cross multiply
    306,935.04x = 423,779.16 × 192,261.06
  4. Step 4: Simplify right side
    306,935.04x = 81,476,230,507.51
  5. Step 5: Solve for x
    x = 81,476,230,507.51/306,935.04
  6. Step 6: Final answer
    x = 265,451.06

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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.