Home / 94,554.40-141,831.60-85,806.40

Finding the Fourth Proportional to 94,554.40, 141,831.60 and 85,806.40

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Solution

The fourth proportional to 94,554.40, 141,831.60 and 85,806.40 is: 128,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,554.40 : 141,831.60 = 85,806.40 : x
  2. Step 2: Convert to fraction form
    94,554.40/141,831.60 = 85,806.40/x
  3. Step 3: Cross multiply
    94,554.40x = 141,831.60 × 85,806.40
  4. Step 4: Simplify right side
    94,554.40x = 12,170,059,002.24
  5. Step 5: Solve for x
    x = 12,170,059,002.24/94,554.40
  6. Step 6: Final answer
    x = 128,709.60

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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.