Home / 140,154.09-193,383.07-89,148.25

Finding the Fourth Proportional to 140,154.09, 193,383.07 and 89,148.25

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Solution

The fourth proportional to 140,154.09, 193,383.07 and 89,148.25 is: 123,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,154.09 : 193,383.07 = 89,148.25 : x
  2. Step 2: Convert to fraction form
    140,154.09/193,383.07 = 89,148.25/x
  3. Step 3: Cross multiply
    140,154.09x = 193,383.07 × 89,148.25
  4. Step 4: Simplify right side
    140,154.09x = 17,239,762,270.13
  5. Step 5: Solve for x
    x = 17,239,762,270.13/140,154.09
  6. Step 6: Final answer
    x = 123,005.77

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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.