Home / 104,532.36-144,256.20-56,786.64

Finding the Fourth Proportional to 104,532.36, 144,256.20 and 56,786.64

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Solution

The fourth proportional to 104,532.36, 144,256.20 and 56,786.64 is: 78,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.36 : 144,256.20 = 56,786.64 : x
  2. Step 2: Convert to fraction form
    104,532.36/144,256.20 = 56,786.64/x
  3. Step 3: Cross multiply
    104,532.36x = 144,256.20 × 56,786.64
  4. Step 4: Simplify right side
    104,532.36x = 8,191,824,897.17
  5. Step 5: Solve for x
    x = 8,191,824,897.17/104,532.36
  6. Step 6: Final answer
    x = 78,366.40

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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.