Home / 229,746.71-317,032.09-127,772.37

Finding the Fourth Proportional to 229,746.71, 317,032.09 and 127,772.37

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Solution

The fourth proportional to 229,746.71, 317,032.09 and 127,772.37 is: 176,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,746.71 : 317,032.09 = 127,772.37 : x
  2. Step 2: Convert to fraction form
    229,746.71/317,032.09 = 127,772.37/x
  3. Step 3: Cross multiply
    229,746.71x = 317,032.09 × 127,772.37
  4. Step 4: Simplify right side
    229,746.71x = 40,507,941,185.92
  5. Step 5: Solve for x
    x = 40,507,941,185.92/229,746.71
  6. Step 6: Final answer
    x = 176,315.65

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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.