Home / 191,142.37-263,779.10-106,261.26

Finding the Fourth Proportional to 191,142.37, 263,779.10 and 106,261.26

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Solution

The fourth proportional to 191,142.37, 263,779.10 and 106,261.26 is: 146,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,142.37 : 263,779.10 = 106,261.26 : x
  2. Step 2: Convert to fraction form
    191,142.37/263,779.10 = 106,261.26/x
  3. Step 3: Cross multiply
    191,142.37x = 263,779.10 × 106,261.26
  4. Step 4: Simplify right side
    191,142.37x = 28,029,499,527.67
  5. Step 5: Solve for x
    x = 28,029,499,527.67/191,142.37
  6. Step 6: Final answer
    x = 146,642.00

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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.