Home / 118,117.05-176,636.93-88,152.45

Finding the Fourth Proportional to 118,117.05, 176,636.93 and 88,152.45

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Solution

The fourth proportional to 118,117.05, 176,636.93 and 88,152.45 is: 131,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,117.05 : 176,636.93 = 88,152.45 : x
  2. Step 2: Convert to fraction form
    118,117.05/176,636.93 = 88,152.45/x
  3. Step 3: Cross multiply
    118,117.05x = 176,636.93 × 88,152.45
  4. Step 4: Simplify right side
    118,117.05x = 15,570,977,699.22
  5. Step 5: Solve for x
    x = 15,570,977,699.22/118,117.05
  6. Step 6: Final answer
    x = 131,826.67

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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.