Home / 461,313.38-692,085.28-128,886.50

Finding the Fourth Proportional to 461,313.38, 692,085.28 and 128,886.50

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Solution

The fourth proportional to 461,313.38, 692,085.28 and 128,886.50 is: 193,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,313.38 : 692,085.28 = 128,886.50 : x
  2. Step 2: Convert to fraction form
    461,313.38/692,085.28 = 128,886.50/x
  3. Step 3: Cross multiply
    461,313.38x = 692,085.28 × 128,886.50
  4. Step 4: Simplify right side
    461,313.38x = 89,200,449,440.72
  5. Step 5: Solve for x
    x = 89,200,449,440.72/461,313.38
  6. Step 6: Final answer
    x = 193,361.94

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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.