Home / 210,629.74-316,069.46-77,603.34

Finding the Fourth Proportional to 210,629.74, 316,069.46 and 77,603.34

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Solution

The fourth proportional to 210,629.74, 316,069.46 and 77,603.34 is: 116,451.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,629.74 : 316,069.46 = 77,603.34 : x
  2. Step 2: Convert to fraction form
    210,629.74/316,069.46 = 77,603.34/x
  3. Step 3: Cross multiply
    210,629.74x = 316,069.46 × 77,603.34
  4. Step 4: Simplify right side
    210,629.74x = 24,528,045,768.00
  5. Step 5: Solve for x
    x = 24,528,045,768.00/210,629.74
  6. Step 6: Final answer
    x = 116,451.01

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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.