Home / 192,739.16-266,056.53-130,663.91

Finding the Fourth Proportional to 192,739.16, 266,056.53 and 130,663.91

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Solution

The fourth proportional to 192,739.16, 266,056.53 and 130,663.91 is: 180,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,739.16 : 266,056.53 = 130,663.91 : x
  2. Step 2: Convert to fraction form
    192,739.16/266,056.53 = 130,663.91/x
  3. Step 3: Cross multiply
    192,739.16x = 266,056.53 × 130,663.91
  4. Step 4: Simplify right side
    192,739.16x = 34,763,986,490.83
  5. Step 5: Solve for x
    x = 34,763,986,490.83/192,739.16
  6. Step 6: Final answer
    x = 180,368.05

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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.