Home / 131,824.14-181,916.40-71,393.40

Finding the Fourth Proportional to 131,824.14, 181,916.40 and 71,393.40

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Solution

The fourth proportional to 131,824.14, 181,916.40 and 71,393.40 is: 98,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,824.14 : 181,916.40 = 71,393.40 : x
  2. Step 2: Convert to fraction form
    131,824.14/181,916.40 = 71,393.40/x
  3. Step 3: Cross multiply
    131,824.14x = 181,916.40 × 71,393.40
  4. Step 4: Simplify right side
    131,824.14x = 12,987,630,311.76
  5. Step 5: Solve for x
    x = 12,987,630,311.76/131,824.14
  6. Step 6: Final answer
    x = 98,522.40

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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.