Home / 236,378.81-326,189.52-134,389.89

Finding the Fourth Proportional to 236,378.81, 326,189.52 and 134,389.89

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Solution

The fourth proportional to 236,378.81, 326,189.52 and 134,389.89 is: 185,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,378.81 : 326,189.52 = 134,389.89 : x
  2. Step 2: Convert to fraction form
    236,378.81/326,189.52 = 134,389.89/x
  3. Step 3: Cross multiply
    236,378.81x = 326,189.52 × 134,389.89
  4. Step 4: Simplify right side
    236,378.81x = 43,836,573,711.95
  5. Step 5: Solve for x
    x = 43,836,573,711.95/236,378.81
  6. Step 6: Final answer
    x = 185,450.52

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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.