Home / 142,051.40-212,882.70-94,531.40

Finding the Fourth Proportional to 142,051.40, 212,882.70 and 94,531.40

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Solution

The fourth proportional to 142,051.40, 212,882.70 and 94,531.40 is: 141,667.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,051.40 : 212,882.70 = 94,531.40 : x
  2. Step 2: Convert to fraction form
    142,051.40/212,882.70 = 94,531.40/x
  3. Step 3: Cross multiply
    142,051.40x = 212,882.70 × 94,531.40
  4. Step 4: Simplify right side
    142,051.40x = 20,124,099,666.78
  5. Step 5: Solve for x
    x = 20,124,099,666.78/142,051.40
  6. Step 6: Final answer
    x = 141,667.73

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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.