Home / 141,681.40-195,520.90-85,093.72

Finding the Fourth Proportional to 141,681.40, 195,520.90 and 85,093.72

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Solution

The fourth proportional to 141,681.40, 195,520.90 and 85,093.72 is: 117,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,681.40 : 195,520.90 = 85,093.72 : x
  2. Step 2: Convert to fraction form
    141,681.40/195,520.90 = 85,093.72/x
  3. Step 3: Cross multiply
    141,681.40x = 195,520.90 × 85,093.72
  4. Step 4: Simplify right side
    141,681.40x = 16,637,600,718.75
  5. Step 5: Solve for x
    x = 16,637,600,718.75/141,681.40
  6. Step 6: Final answer
    x = 117,429.67

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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.