Home / 129,848.40-194,846.04-70,688.16

Finding the Fourth Proportional to 129,848.40, 194,846.04 and 70,688.16

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Solution

The fourth proportional to 129,848.40, 194,846.04 and 70,688.16 is: 106,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,848.40 : 194,846.04 = 70,688.16 : x
  2. Step 2: Convert to fraction form
    129,848.40/194,846.04 = 70,688.16/x
  3. Step 3: Cross multiply
    129,848.40x = 194,846.04 × 70,688.16
  4. Step 4: Simplify right side
    129,848.40x = 13,773,308,050.89
  5. Step 5: Solve for x
    x = 13,773,308,050.89/129,848.40
  6. Step 6: Final answer
    x = 106,072.22

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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.