Home / 368,256.81-552,381.52-128,370.23

Finding the Fourth Proportional to 368,256.81, 552,381.52 and 128,370.23

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Solution

The fourth proportional to 368,256.81, 552,381.52 and 128,370.23 is: 192,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,256.81 : 552,381.52 = 128,370.23 : x
  2. Step 2: Convert to fraction form
    368,256.81/552,381.52 = 128,370.23/x
  3. Step 3: Cross multiply
    368,256.81x = 552,381.52 × 128,370.23
  4. Step 4: Simplify right side
    368,256.81x = 70,909,342,770.15
  5. Step 5: Solve for x
    x = 70,909,342,770.15/368,256.81
  6. Step 6: Final answer
    x = 192,554.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.