Home / 104,784.14-156,415.48-96,978.17

Finding the Fourth Proportional to 104,784.14, 156,415.48 and 96,978.17

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Solution

The fourth proportional to 104,784.14, 156,415.48 and 96,978.17 is: 144,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,784.14 : 156,415.48 = 96,978.17 : x
  2. Step 2: Convert to fraction form
    104,784.14/156,415.48 = 96,978.17/x
  3. Step 3: Cross multiply
    104,784.14x = 156,415.48 × 96,978.17
  4. Step 4: Simplify right side
    104,784.14x = 15,168,887,158.66
  5. Step 5: Solve for x
    x = 15,168,887,158.66/104,784.14
  6. Step 6: Final answer
    x = 144,763.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.