Home / 153,317.51-211,551.84-140,915.66

Finding the Fourth Proportional to 153,317.51, 211,551.84 and 140,915.66

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Solution

The fourth proportional to 153,317.51, 211,551.84 and 140,915.66 is: 194,439.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,317.51 : 211,551.84 = 140,915.66 : x
  2. Step 2: Convert to fraction form
    153,317.51/211,551.84 = 140,915.66/x
  3. Step 3: Cross multiply
    153,317.51x = 211,551.84 × 140,915.66
  4. Step 4: Simplify right side
    153,317.51x = 29,810,967,157.81
  5. Step 5: Solve for x
    x = 29,810,967,157.81/153,317.51
  6. Step 6: Final answer
    x = 194,439.42

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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.