Home / 131,312.16-197,029.74-64,715.96

Finding the Fourth Proportional to 131,312.16, 197,029.74 and 64,715.96

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Solution

The fourth proportional to 131,312.16, 197,029.74 and 64,715.96 is: 97,104.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,312.16 : 197,029.74 = 64,715.96 : x
  2. Step 2: Convert to fraction form
    131,312.16/197,029.74 = 64,715.96/x
  3. Step 3: Cross multiply
    131,312.16x = 197,029.74 × 64,715.96
  4. Step 4: Simplify right side
    131,312.16x = 12,750,969,325.90
  5. Step 5: Solve for x
    x = 12,750,969,325.90/131,312.16
  6. Step 6: Final answer
    x = 97,104.25

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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.