Home / 211,543.16-317,016.40-116,816.00

Finding the Fourth Proportional to 211,543.16, 317,016.40 and 116,816.00

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Solution

The fourth proportional to 211,543.16, 317,016.40 and 116,816.00 is: 175,059.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,543.16 : 317,016.40 = 116,816.00 : x
  2. Step 2: Convert to fraction form
    211,543.16/317,016.40 = 116,816.00/x
  3. Step 3: Cross multiply
    211,543.16x = 317,016.40 × 116,816.00
  4. Step 4: Simplify right side
    211,543.16x = 37,032,585,613.24
  5. Step 5: Solve for x
    x = 37,032,585,613.24/211,543.16
  6. Step 6: Final answer
    x = 175,059.24

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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.