Home / 154,312.63-231,344.38-141,856.98

Finding the Fourth Proportional to 154,312.63, 231,344.38 and 141,856.98

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Solution

The fourth proportional to 154,312.63, 231,344.38 and 141,856.98 is: 212,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,312.63 : 231,344.38 = 141,856.98 : x
  2. Step 2: Convert to fraction form
    154,312.63/231,344.38 = 141,856.98/x
  3. Step 3: Cross multiply
    154,312.63x = 231,344.38 × 141,856.98
  4. Step 4: Simplify right side
    154,312.63x = 32,817,815,086.77
  5. Step 5: Solve for x
    x = 32,817,815,086.77/154,312.63
  6. Step 6: Final answer
    x = 212,670.96

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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.