Home / 153,542.53-211,885.50-85,559.23

Finding the Fourth Proportional to 153,542.53, 211,885.50 and 85,559.23

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Solution

The fourth proportional to 153,542.53, 211,885.50 and 85,559.23 is: 118,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,542.53 : 211,885.50 = 85,559.23 : x
  2. Step 2: Convert to fraction form
    153,542.53/211,885.50 = 85,559.23/x
  3. Step 3: Cross multiply
    153,542.53x = 211,885.50 × 85,559.23
  4. Step 4: Simplify right side
    153,542.53x = 18,128,760,228.17
  5. Step 5: Solve for x
    x = 18,128,760,228.17/153,542.53
  6. Step 6: Final answer
    x = 118,069.96

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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.