Home / 236,915.01-326,941.92-129,484.98

Finding the Fourth Proportional to 236,915.01, 326,941.92 and 129,484.98

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Solution

The fourth proportional to 236,915.01, 326,941.92 and 129,484.98 is: 178,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,915.01 : 326,941.92 = 129,484.98 : x
  2. Step 2: Convert to fraction form
    236,915.01/326,941.92 = 129,484.98/x
  3. Step 3: Cross multiply
    236,915.01x = 326,941.92 × 129,484.98
  4. Step 4: Simplify right side
    236,915.01x = 42,334,067,972.36
  5. Step 5: Solve for x
    x = 42,334,067,972.36/236,915.01
  6. Step 6: Final answer
    x = 178,688.84

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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.