Home / 229,782.81-317,090.07-132,971.31

Finding the Fourth Proportional to 229,782.81, 317,090.07 and 132,971.31

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Solution

The fourth proportional to 229,782.81, 317,090.07 and 132,971.31 is: 183,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,782.81 : 317,090.07 = 132,971.31 : x
  2. Step 2: Convert to fraction form
    229,782.81/317,090.07 = 132,971.31/x
  3. Step 3: Cross multiply
    229,782.81x = 317,090.07 × 132,971.31
  4. Step 4: Simplify right side
    229,782.81x = 42,163,881,995.89
  5. Step 5: Solve for x
    x = 42,163,881,995.89/229,782.81
  6. Step 6: Final answer
    x = 183,494.50

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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.