Home / 188,263.98-259,660.35-127,881.18

Finding the Fourth Proportional to 188,263.98, 259,660.35 and 127,881.18

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Solution

The fourth proportional to 188,263.98, 259,660.35 and 127,881.18 is: 176,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,263.98 : 259,660.35 = 127,881.18 : x
  2. Step 2: Convert to fraction form
    188,263.98/259,660.35 = 127,881.18/x
  3. Step 3: Cross multiply
    188,263.98x = 259,660.35 × 127,881.18
  4. Step 4: Simplify right side
    188,263.98x = 33,205,671,957.21
  5. Step 5: Solve for x
    x = 33,205,671,957.21/188,263.98
  6. Step 6: Final answer
    x = 176,378.25

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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.