Home / 152,113.64-209,873.94-90,852.62

Finding the Fourth Proportional to 152,113.64, 209,873.94 and 90,852.62

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Solution

The fourth proportional to 152,113.64, 209,873.94 and 90,852.62 is: 125,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,113.64 : 209,873.94 = 90,852.62 : x
  2. Step 2: Convert to fraction form
    152,113.64/209,873.94 = 90,852.62/x
  3. Step 3: Cross multiply
    152,113.64x = 209,873.94 × 90,852.62
  4. Step 4: Simplify right side
    152,113.64x = 19,067,597,318.72
  5. Step 5: Solve for x
    x = 19,067,597,318.72/152,113.64
  6. Step 6: Final answer
    x = 125,351.00

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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.