Home / 127,834.18-191,751.23-39,087.67

Finding the Fourth Proportional to 127,834.18, 191,751.23 and 39,087.67

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Solution

The fourth proportional to 127,834.18, 191,751.23 and 39,087.67 is: 58,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,834.18 : 191,751.23 = 39,087.67 : x
  2. Step 2: Convert to fraction form
    127,834.18/191,751.23 = 39,087.67/x
  3. Step 3: Cross multiply
    127,834.18x = 191,751.23 × 39,087.67
  4. Step 4: Simplify right side
    127,834.18x = 7,495,108,800.33
  5. Step 5: Solve for x
    x = 7,495,108,800.33/127,834.18
  6. Step 6: Final answer
    x = 58,631.49

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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.