Home / 304,109.07-419,653.54-168,135.08

Finding the Fourth Proportional to 304,109.07, 419,653.54 and 168,135.08

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Solution

The fourth proportional to 304,109.07, 419,653.54 and 168,135.08 is: 232,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,109.07 : 419,653.54 = 168,135.08 : x
  2. Step 2: Convert to fraction form
    304,109.07/419,653.54 = 168,135.08/x
  3. Step 3: Cross multiply
    304,109.07x = 419,653.54 × 168,135.08
  4. Step 4: Simplify right side
    304,109.07x = 70,558,480,679.51
  5. Step 5: Solve for x
    x = 70,558,480,679.51/304,109.07
  6. Step 6: Final answer
    x = 232,017.02

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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.