Home / 312,766.06-431,617.63-169,526.07

Finding the Fourth Proportional to 312,766.06, 431,617.63 and 169,526.07

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Solution

The fourth proportional to 312,766.06, 431,617.63 and 169,526.07 is: 233,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,766.06 : 431,617.63 = 169,526.07 : x
  2. Step 2: Convert to fraction form
    312,766.06/431,617.63 = 169,526.07/x
  3. Step 3: Cross multiply
    312,766.06x = 431,617.63 × 169,526.07
  4. Step 4: Simplify right side
    312,766.06x = 73,170,440,556.61
  5. Step 5: Solve for x
    x = 73,170,440,556.61/312,766.06
  6. Step 6: Final answer
    x = 233,946.23

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1.5x scale

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.