Home / 211,543.66-317,316.48-71,303.50

Finding the Fourth Proportional to 211,543.66, 317,316.48 and 71,303.50

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Solution

The fourth proportional to 211,543.66, 317,316.48 and 71,303.50 is: 106,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,543.66 : 317,316.48 = 71,303.50 : x
  2. Step 2: Convert to fraction form
    211,543.66/317,316.48 = 71,303.50/x
  3. Step 3: Cross multiply
    211,543.66x = 317,316.48 × 71,303.50
  4. Step 4: Simplify right side
    211,543.66x = 22,625,775,631.68
  5. Step 5: Solve for x
    x = 22,625,775,631.68/211,543.66
  6. Step 6: Final answer
    x = 106,955.58

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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.