Home / 102,336.02-153,557.33-77,368.67

Finding the Fourth Proportional to 102,336.02, 153,557.33 and 77,368.67

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Solution

The fourth proportional to 102,336.02, 153,557.33 and 77,368.67 is: 116,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,336.02 : 153,557.33 = 77,368.67 : x
  2. Step 2: Convert to fraction form
    102,336.02/153,557.33 = 77,368.67/x
  3. Step 3: Cross multiply
    102,336.02x = 153,557.33 × 77,368.67
  4. Step 4: Simplify right side
    102,336.02x = 11,880,525,236.22
  5. Step 5: Solve for x
    x = 11,880,525,236.22/102,336.02
  6. Step 6: Final answer
    x = 116,093.30

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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.