Home / 152,030.20-228,045.30-102,263.80

Finding the Fourth Proportional to 152,030.20, 228,045.30 and 102,263.80

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Solution

The fourth proportional to 152,030.20, 228,045.30 and 102,263.80 is: 153,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,030.20 : 228,045.30 = 102,263.80 : x
  2. Step 2: Convert to fraction form
    152,030.20/228,045.30 = 102,263.80/x
  3. Step 3: Cross multiply
    152,030.20x = 228,045.30 × 102,263.80
  4. Step 4: Simplify right side
    152,030.20x = 23,320,778,950.14
  5. Step 5: Solve for x
    x = 23,320,778,950.14/152,030.20
  6. Step 6: Final answer
    x = 153,395.70

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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.