Home / 125,853.72-173,679.36-69,266.40

Finding the Fourth Proportional to 125,853.72, 173,679.36 and 69,266.40

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Solution

The fourth proportional to 125,853.72, 173,679.36 and 69,266.40 is: 95,588.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,853.72 : 173,679.36 = 69,266.40 : x
  2. Step 2: Convert to fraction form
    125,853.72/173,679.36 = 69,266.40/x
  3. Step 3: Cross multiply
    125,853.72x = 173,679.36 × 69,266.40
  4. Step 4: Simplify right side
    125,853.72x = 12,030,144,021.50
  5. Step 5: Solve for x
    x = 12,030,144,021.50/125,853.72
  6. Step 6: Final answer
    x = 95,588.31

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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.