Home / 276,106.81-381,058.77-153,611.32

Finding the Fourth Proportional to 276,106.81, 381,058.77 and 153,611.32

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Solution

The fourth proportional to 276,106.81, 381,058.77 and 153,611.32 is: 212,001.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,106.81 : 381,058.77 = 153,611.32 : x
  2. Step 2: Convert to fraction form
    276,106.81/381,058.77 = 153,611.32/x
  3. Step 3: Cross multiply
    276,106.81x = 381,058.77 × 153,611.32
  4. Step 4: Simplify right side
    276,106.81x = 58,534,940,657.28
  5. Step 5: Solve for x
    x = 58,534,940,657.28/276,106.81
  6. Step 6: Final answer
    x = 212,001.08

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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.