Home / 119,192.04-164,487.78-65,480.40

Finding the Fourth Proportional to 119,192.04, 164,487.78 and 65,480.40

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Solution

The fourth proportional to 119,192.04, 164,487.78 and 65,480.40 is: 90,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,192.04 : 164,487.78 = 65,480.40 : x
  2. Step 2: Convert to fraction form
    119,192.04/164,487.78 = 65,480.40/x
  3. Step 3: Cross multiply
    119,192.04x = 164,487.78 × 65,480.40
  4. Step 4: Simplify right side
    119,192.04x = 10,770,725,629.51
  5. Step 5: Solve for x
    x = 10,770,725,629.51/119,192.04
  6. Step 6: Final answer
    x = 90,364.47

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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.