Home / 141,373.60-211,777.28-85,182.40

Finding the Fourth Proportional to 141,373.60, 211,777.28 and 85,182.40

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Solution

The fourth proportional to 141,373.60, 211,777.28 and 85,182.40 is: 127,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,373.60 : 211,777.28 = 85,182.40 : x
  2. Step 2: Convert to fraction form
    141,373.60/211,777.28 = 85,182.40/x
  3. Step 3: Cross multiply
    141,373.60x = 211,777.28 × 85,182.40
  4. Step 4: Simplify right side
    141,373.60x = 18,039,696,975.87
  5. Step 5: Solve for x
    x = 18,039,696,975.87/141,373.60
  6. Step 6: Final answer
    x = 127,603.01

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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.