Home / 312,256.07-430,914.49-169,015.94

Finding the Fourth Proportional to 312,256.07, 430,914.49 and 169,015.94

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Solution

The fourth proportional to 312,256.07, 430,914.49 and 169,015.94 is: 233,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,256.07 : 430,914.49 = 169,015.94 : x
  2. Step 2: Convert to fraction form
    312,256.07/430,914.49 = 169,015.94/x
  3. Step 3: Cross multiply
    312,256.07x = 430,914.49 × 169,015.94
  4. Step 4: Simplify right side
    312,256.07x = 72,831,415,009.86
  5. Step 5: Solve for x
    x = 72,831,415,009.86/312,256.07
  6. Step 6: Final answer
    x = 233,242.60

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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.