Home / 152,055.40-228,131.70-52,279.60

Finding the Fourth Proportional to 152,055.40, 228,131.70 and 52,279.60

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Solution

The fourth proportional to 152,055.40, 228,131.70 and 52,279.60 is: 78,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,055.40 : 228,131.70 = 52,279.60 : x
  2. Step 2: Convert to fraction form
    152,055.40/228,131.70 = 52,279.60/x
  3. Step 3: Cross multiply
    152,055.40x = 228,131.70 × 52,279.60
  4. Step 4: Simplify right side
    152,055.40x = 11,926,634,023.32
  5. Step 5: Solve for x
    x = 11,926,634,023.32/152,055.40
  6. Step 6: Final answer
    x = 78,436.11

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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.