Home / 167,400.48-230,916.16-100,293.60

Finding the Fourth Proportional to 167,400.48, 230,916.16 and 100,293.60

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Solution

The fourth proportional to 167,400.48, 230,916.16 and 100,293.60 is: 138,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,400.48 : 230,916.16 = 100,293.60 : x
  2. Step 2: Convert to fraction form
    167,400.48/230,916.16 = 100,293.60/x
  3. Step 3: Cross multiply
    167,400.48x = 230,916.16 × 100,293.60
  4. Step 4: Simplify right side
    167,400.48x = 23,159,412,984.58
  5. Step 5: Solve for x
    x = 23,159,412,984.58/167,400.48
  6. Step 6: Final answer
    x = 138,347.35

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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.