Home / 119,305.62-164,637.56-65,590.25

Finding the Fourth Proportional to 119,305.62, 164,637.56 and 65,590.25

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Solution

The fourth proportional to 119,305.62, 164,637.56 and 65,590.25 is: 90,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,305.62 : 164,637.56 = 65,590.25 : x
  2. Step 2: Convert to fraction form
    119,305.62/164,637.56 = 65,590.25/x
  3. Step 3: Cross multiply
    119,305.62x = 164,637.56 × 65,590.25
  4. Step 4: Simplify right side
    119,305.62x = 10,798,617,568.65
  5. Step 5: Solve for x
    x = 10,798,617,568.65/119,305.62
  6. Step 6: Final answer
    x = 90,512.23

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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.