Home / 191,557.59-264,349.83-111,000.66

Finding the Fourth Proportional to 191,557.59, 264,349.83 and 111,000.66

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Solution

The fourth proportional to 191,557.59, 264,349.83 and 111,000.66 is: 153,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,557.59 : 264,349.83 = 111,000.66 : x
  2. Step 2: Convert to fraction form
    191,557.59/264,349.83 = 111,000.66/x
  3. Step 3: Cross multiply
    191,557.59x = 264,349.83 × 111,000.66
  4. Step 4: Simplify right side
    191,557.59x = 29,343,005,600.89
  5. Step 5: Solve for x
    x = 29,343,005,600.89/191,557.59
  6. Step 6: Final answer
    x = 153,181.12

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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.