Home / 152,003.10-228,004.65-127,508.70

Finding the Fourth Proportional to 152,003.10, 228,004.65 and 127,508.70

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Solution

The fourth proportional to 152,003.10, 228,004.65 and 127,508.70 is: 191,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,003.10 : 228,004.65 = 127,508.70 : x
  2. Step 2: Convert to fraction form
    152,003.10/228,004.65 = 127,508.70/x
  3. Step 3: Cross multiply
    152,003.10x = 228,004.65 × 127,508.70
  4. Step 4: Simplify right side
    152,003.10x = 29,072,576,515.46
  5. Step 5: Solve for x
    x = 29,072,576,515.46/152,003.10
  6. Step 6: Final answer
    x = 191,263.05

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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.