Home / 137,683.53-190,002.06-77,252.94

Finding the Fourth Proportional to 137,683.53, 190,002.06 and 77,252.94

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Solution

The fourth proportional to 137,683.53, 190,002.06 and 77,252.94 is: 106,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,683.53 : 190,002.06 = 77,252.94 : x
  2. Step 2: Convert to fraction form
    137,683.53/190,002.06 = 77,252.94/x
  3. Step 3: Cross multiply
    137,683.53x = 190,002.06 × 77,252.94
  4. Step 4: Simplify right side
    137,683.53x = 14,678,217,741.06
  5. Step 5: Solve for x
    x = 14,678,217,741.06/137,683.53
  6. Step 6: Final answer
    x = 106,608.38

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1.5x scale

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.