Home / 102,045.36-153,106.88-92,150.40

Finding the Fourth Proportional to 102,045.36, 153,106.88 and 92,150.40

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Solution

The fourth proportional to 102,045.36, 153,106.88 and 92,150.40 is: 138,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,045.36 : 153,106.88 = 92,150.40 : x
  2. Step 2: Convert to fraction form
    102,045.36/153,106.88 = 92,150.40/x
  3. Step 3: Cross multiply
    102,045.36x = 153,106.88 × 92,150.40
  4. Step 4: Simplify right side
    102,045.36x = 14,108,860,234.75
  5. Step 5: Solve for x
    x = 14,108,860,234.75/102,045.36
  6. Step 6: Final answer
    x = 138,260.67

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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.