Home / 443,683.08-664,887.96-190,895.04

Finding the Fourth Proportional to 443,683.08, 664,887.96 and 190,895.04

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Solution

The fourth proportional to 443,683.08, 664,887.96 and 190,895.04 is: 286,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,683.08 : 664,887.96 = 190,895.04 : x
  2. Step 2: Convert to fraction form
    443,683.08/664,887.96 = 190,895.04/x
  3. Step 3: Cross multiply
    443,683.08x = 664,887.96 × 190,895.04
  4. Step 4: Simplify right side
    443,683.08x = 126,923,813,719.72
  5. Step 5: Solve for x
    x = 126,923,813,719.72/443,683.08
  6. Step 6: Final answer
    x = 286,068.64

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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.