Home / 152,036.20-228,054.30-77,127.40

Finding the Fourth Proportional to 152,036.20, 228,054.30 and 77,127.40

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Solution

The fourth proportional to 152,036.20, 228,054.30 and 77,127.40 is: 115,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,036.20 : 228,054.30 = 77,127.40 : x
  2. Step 2: Convert to fraction form
    152,036.20/228,054.30 = 77,127.40/x
  3. Step 3: Cross multiply
    152,036.20x = 228,054.30 × 77,127.40
  4. Step 4: Simplify right side
    152,036.20x = 17,589,235,217.82
  5. Step 5: Solve for x
    x = 17,589,235,217.82/152,036.20
  6. Step 6: Final answer
    x = 115,691.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.