Home / 235,878.14-325,508.63-133,902.72

Finding the Fourth Proportional to 235,878.14, 325,508.63 and 133,902.72

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Solution

The fourth proportional to 235,878.14, 325,508.63 and 133,902.72 is: 184,783.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,878.14 : 325,508.63 = 133,902.72 : x
  2. Step 2: Convert to fraction form
    235,878.14/325,508.63 = 133,902.72/x
  3. Step 3: Cross multiply
    235,878.14x = 325,508.63 × 133,902.72
  4. Step 4: Simplify right side
    235,878.14x = 43,586,490,270.96
  5. Step 5: Solve for x
    x = 43,586,490,270.96/235,878.14
  6. Step 6: Final answer
    x = 184,783.93

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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.