Home / 127,678.01-191,586.67-52,804.64

Finding the Fourth Proportional to 127,678.01, 191,586.67 and 52,804.64

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Solution

The fourth proportional to 127,678.01, 191,586.67 and 52,804.64 is: 79,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,678.01 : 191,586.67 = 52,804.64 : x
  2. Step 2: Convert to fraction form
    127,678.01/191,586.67 = 52,804.64/x
  3. Step 3: Cross multiply
    127,678.01x = 191,586.67 × 52,804.64
  4. Step 4: Simplify right side
    127,678.01x = 10,116,665,485.10
  5. Step 5: Solve for x
    x = 10,116,665,485.10/127,678.01
  6. Step 6: Final answer
    x = 79,235.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.