Home / 127,355.49-191,085.48-67,368.33

Finding the Fourth Proportional to 127,355.49, 191,085.48 and 67,368.33

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Solution

The fourth proportional to 127,355.49, 191,085.48 and 67,368.33 is: 101,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,355.49 : 191,085.48 = 67,368.33 : x
  2. Step 2: Convert to fraction form
    127,355.49/191,085.48 = 67,368.33/x
  3. Step 3: Cross multiply
    127,355.49x = 191,085.48 × 67,368.33
  4. Step 4: Simplify right side
    127,355.49x = 12,873,109,674.85
  5. Step 5: Solve for x
    x = 12,873,109,674.85/127,355.49
  6. Step 6: Final answer
    x = 101,080.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.