Home / 236,343.01-326,154.38-128,915.35

Finding the Fourth Proportional to 236,343.01, 326,154.38 and 128,915.35

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Solution

The fourth proportional to 236,343.01, 326,154.38 and 128,915.35 is: 177,903.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,343.01 : 326,154.38 = 128,915.35 : x
  2. Step 2: Convert to fraction form
    236,343.01/326,154.38 = 128,915.35/x
  3. Step 3: Cross multiply
    236,343.01x = 326,154.38 × 128,915.35
  4. Step 4: Simplify right side
    236,343.01x = 42,046,306,051.73
  5. Step 5: Solve for x
    x = 42,046,306,051.73/236,343.01
  6. Step 6: Final answer
    x = 177,903.74

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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.