Home / 127,865.58-176,455.88-70,505.01

Finding the Fourth Proportional to 127,865.58, 176,455.88 and 70,505.01

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Solution

The fourth proportional to 127,865.58, 176,455.88 and 70,505.01 is: 97,297.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.58 : 176,455.88 = 70,505.01 : x
  2. Step 2: Convert to fraction form
    127,865.58/176,455.88 = 70,505.01/x
  3. Step 3: Cross multiply
    127,865.58x = 176,455.88 × 70,505.01
  4. Step 4: Simplify right side
    127,865.58x = 12,441,023,583.96
  5. Step 5: Solve for x
    x = 12,441,023,583.96/127,865.58
  6. Step 6: Final answer
    x = 97,297.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.