Home / 156,631.40-234,968.70-56,767.40

Finding the Fourth Proportional to 156,631.40, 234,968.70 and 56,767.40

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Solution

The fourth proportional to 156,631.40, 234,968.70 and 56,767.40 is: 85,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.40 : 234,968.70 = 56,767.40 : x
  2. Step 2: Convert to fraction form
    156,631.40/234,968.70 = 56,767.40/x
  3. Step 3: Cross multiply
    156,631.40x = 234,968.70 × 56,767.40
  4. Step 4: Simplify right side
    156,631.40x = 13,338,562,180.38
  5. Step 5: Solve for x
    x = 13,338,562,180.38/156,631.40
  6. Step 6: Final answer
    x = 85,158.93

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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.