Home / 153,288.33-211,533.57-85,304.22

Finding the Fourth Proportional to 153,288.33, 211,533.57 and 85,304.22

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Solution

The fourth proportional to 153,288.33, 211,533.57 and 85,304.22 is: 117,717.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,288.33 : 211,533.57 = 85,304.22 : x
  2. Step 2: Convert to fraction form
    153,288.33/211,533.57 = 85,304.22/x
  3. Step 3: Cross multiply
    153,288.33x = 211,533.57 × 85,304.22
  4. Step 4: Simplify right side
    153,288.33x = 18,044,706,192.67
  5. Step 5: Solve for x
    x = 18,044,706,192.67/153,288.33
  6. Step 6: Final answer
    x = 117,717.42

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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.