Home / 191,557.09-264,349.13-111,000.16

Finding the Fourth Proportional to 191,557.09, 264,349.13 and 111,000.16

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Solution

The fourth proportional to 191,557.09, 264,349.13 and 111,000.16 is: 153,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,557.09 : 264,349.13 = 111,000.16 : x
  2. Step 2: Convert to fraction form
    191,557.09/264,349.13 = 111,000.16/x
  3. Step 3: Cross multiply
    191,557.09x = 264,349.13 × 111,000.16
  4. Step 4: Simplify right side
    191,557.09x = 29,342,795,725.86
  5. Step 5: Solve for x
    x = 29,342,795,725.86/191,557.09
  6. Step 6: Final answer
    x = 153,180.42

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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.