Home / 156,632.40-235,044.90-67,886.64

Finding the Fourth Proportional to 156,632.40, 235,044.90 and 67,886.64

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Solution

The fourth proportional to 156,632.40, 235,044.90 and 67,886.64 is: 101,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,632.40 : 235,044.90 = 67,886.64 : x
  2. Step 2: Convert to fraction form
    156,632.40/235,044.90 = 67,886.64/x
  3. Step 3: Cross multiply
    156,632.40x = 235,044.90 × 67,886.64
  4. Step 4: Simplify right side
    156,632.40x = 15,956,408,510.14
  5. Step 5: Solve for x
    x = 15,956,408,510.14/156,632.40
  6. Step 6: Final answer
    x = 101,871.70

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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.