Home / 127,852.08-176,448.96-76,881.36

Finding the Fourth Proportional to 127,852.08, 176,448.96 and 76,881.36

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Solution

The fourth proportional to 127,852.08, 176,448.96 and 76,881.36 is: 106,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,852.08 : 176,448.96 = 76,881.36 : x
  2. Step 2: Convert to fraction form
    127,852.08/176,448.96 = 76,881.36/x
  3. Step 3: Cross multiply
    127,852.08x = 176,448.96 × 76,881.36
  4. Step 4: Simplify right side
    127,852.08x = 13,565,636,015.39
  5. Step 5: Solve for x
    x = 13,565,636,015.39/127,852.08
  6. Step 6: Final answer
    x = 106,104.15

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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.