Home / 141,340.50-195,038.46-80,897.40

Finding the Fourth Proportional to 141,340.50, 195,038.46 and 80,897.40

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Solution

The fourth proportional to 141,340.50, 195,038.46 and 80,897.40 is: 111,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,340.50 : 195,038.46 = 80,897.40 : x
  2. Step 2: Convert to fraction form
    141,340.50/195,038.46 = 80,897.40/x
  3. Step 3: Cross multiply
    141,340.50x = 195,038.46 × 80,897.40
  4. Step 4: Simplify right side
    141,340.50x = 15,778,104,314.00
  5. Step 5: Solve for x
    x = 15,778,104,314.00/141,340.50
  6. Step 6: Final answer
    x = 111,631.87

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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.