Home / 121,262.48-167,345.15-67,548.35

Finding the Fourth Proportional to 121,262.48, 167,345.15 and 67,548.35

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Solution

The fourth proportional to 121,262.48, 167,345.15 and 67,548.35 is: 93,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.48 : 167,345.15 = 67,548.35 : x
  2. Step 2: Convert to fraction form
    121,262.48/167,345.15 = 67,548.35/x
  3. Step 3: Cross multiply
    121,262.48x = 167,345.15 × 67,548.35
  4. Step 4: Simplify right side
    121,262.48x = 11,303,887,588.54
  5. Step 5: Solve for x
    x = 11,303,887,588.54/121,262.48
  6. Step 6: Final answer
    x = 93,218.35

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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.