Home / 127,348.04-190,087.21-117,965

Finding the Fourth Proportional to 127,348.04, 190,087.21 and 117,965

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Solution

The fourth proportional to 127,348.04, 190,087.21 and 117,965 is: 176,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,348.04 : 190,087.21 = 117,965 : x
  2. Step 2: Convert to fraction form
    127,348.04/190,087.21 = 117,965/x
  3. Step 3: Cross multiply
    127,348.04x = 190,087.21 × 117,965
  4. Step 4: Simplify right side
    127,348.04x = 22,423,637,727.65
  5. Step 5: Solve for x
    x = 22,423,637,727.65/127,348.04
  6. Step 6: Final answer
    x = 176,081.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.