Home / 102,334.02-153,554.33-77,366.67

Finding the Fourth Proportional to 102,334.02, 153,554.33 and 77,366.67

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Solution

The fourth proportional to 102,334.02, 153,554.33 and 77,366.67 is: 116,090.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,334.02 : 153,554.33 = 77,366.67 : x
  2. Step 2: Convert to fraction form
    102,334.02/153,554.33 = 77,366.67/x
  3. Step 3: Cross multiply
    102,334.02x = 153,554.33 × 77,366.67
  4. Step 4: Simplify right side
    102,334.02x = 11,879,987,176.18
  5. Step 5: Solve for x
    x = 11,879,987,176.18/102,334.02
  6. Step 6: Final answer
    x = 116,090.30

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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.