Home / 104,528.32-144,250.16-56,782.60

Finding the Fourth Proportional to 104,528.32, 144,250.16 and 56,782.60

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Solution

The fourth proportional to 104,528.32, 144,250.16 and 56,782.60 is: 78,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,528.32 : 144,250.16 = 56,782.60 : x
  2. Step 2: Convert to fraction form
    104,528.32/144,250.16 = 56,782.60/x
  3. Step 3: Cross multiply
    104,528.32x = 144,250.16 × 56,782.60
  4. Step 4: Simplify right side
    104,528.32x = 8,190,899,135.22
  5. Step 5: Solve for x
    x = 8,190,899,135.22/104,528.32
  6. Step 6: Final answer
    x = 78,360.57

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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.