Home / 151,498.60-209,083.62-91,088.92

Finding the Fourth Proportional to 151,498.60, 209,083.62 and 91,088.92

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Solution

The fourth proportional to 151,498.60, 209,083.62 and 91,088.92 is: 125,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,498.60 : 209,083.62 = 91,088.92 : x
  2. Step 2: Convert to fraction form
    151,498.60/209,083.62 = 91,088.92/x
  3. Step 3: Cross multiply
    151,498.60x = 209,083.62 × 91,088.92
  4. Step 4: Simplify right side
    151,498.60x = 19,045,201,135.49
  5. Step 5: Solve for x
    x = 19,045,201,135.49/151,498.60
  6. Step 6: Final answer
    x = 125,712.06

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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.