Home / 191,921.90-264,960.43-133,091.60

Finding the Fourth Proportional to 191,921.90, 264,960.43 and 133,091.60

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Solution

The fourth proportional to 191,921.90, 264,960.43 and 133,091.60 is: 183,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,921.90 : 264,960.43 = 133,091.60 : x
  2. Step 2: Convert to fraction form
    191,921.90/264,960.43 = 133,091.60/x
  3. Step 3: Cross multiply
    191,921.90x = 264,960.43 × 133,091.60
  4. Step 4: Simplify right side
    191,921.90x = 35,264,007,565.39
  5. Step 5: Solve for x
    x = 35,264,007,565.39/191,921.90
  6. Step 6: Final answer
    x = 183,741.45

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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.