Home / 153,860.30-212,490.91-117,169.27

Finding the Fourth Proportional to 153,860.30, 212,490.91 and 117,169.27

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Solution

The fourth proportional to 153,860.30, 212,490.91 and 117,169.27 is: 161,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,860.30 : 212,490.91 = 117,169.27 : x
  2. Step 2: Convert to fraction form
    153,860.30/212,490.91 = 117,169.27/x
  3. Step 3: Cross multiply
    153,860.30x = 212,490.91 × 117,169.27
  4. Step 4: Simplify right side
    153,860.30x = 24,897,404,806.34
  5. Step 5: Solve for x
    x = 24,897,404,806.34/153,860.30
  6. Step 6: Final answer
    x = 161,818.25

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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.