Home / 209,266.23-288,886.59-133,858.47

Finding the Fourth Proportional to 209,266.23, 288,886.59 and 133,858.47

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Solution

The fourth proportional to 209,266.23, 288,886.59 and 133,858.47 is: 184,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,266.23 : 288,886.59 = 133,858.47 : x
  2. Step 2: Convert to fraction form
    209,266.23/288,886.59 = 133,858.47/x
  3. Step 3: Cross multiply
    209,266.23x = 288,886.59 × 133,858.47
  4. Step 4: Simplify right side
    209,266.23x = 38,669,916,940.92
  5. Step 5: Solve for x
    x = 38,669,916,940.92/209,266.23
  6. Step 6: Final answer
    x = 184,788.14

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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.