Home / 119,276.64-164,610.36-71,529.12

Finding the Fourth Proportional to 119,276.64, 164,610.36 and 71,529.12

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Solution

The fourth proportional to 119,276.64, 164,610.36 and 71,529.12 is: 98,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,276.64 : 164,610.36 = 71,529.12 : x
  2. Step 2: Convert to fraction form
    119,276.64/164,610.36 = 71,529.12/x
  3. Step 3: Cross multiply
    119,276.64x = 164,610.36 × 71,529.12
  4. Step 4: Simplify right side
    119,276.64x = 11,774,434,193.68
  5. Step 5: Solve for x
    x = 11,774,434,193.68/119,276.64
  6. Step 6: Final answer
    x = 98,715.34

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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.