Home / 104,431.26-144,111.28-56,683.60

Finding the Fourth Proportional to 104,431.26, 144,111.28 and 56,683.60

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Solution

The fourth proportional to 104,431.26, 144,111.28 and 56,683.60 is: 78,221.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,431.26 : 144,111.28 = 56,683.60 : x
  2. Step 2: Convert to fraction form
    104,431.26/144,111.28 = 56,683.60/x
  3. Step 3: Cross multiply
    104,431.26x = 144,111.28 × 56,683.60
  4. Step 4: Simplify right side
    104,431.26x = 8,168,746,151.01
  5. Step 5: Solve for x
    x = 8,168,746,151.01/104,431.26
  6. Step 6: Final answer
    x = 78,221.27

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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.