Home / 133,001.46-183,516.89-79,291.44

Finding the Fourth Proportional to 133,001.46, 183,516.89 and 79,291.44

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Solution

The fourth proportional to 133,001.46, 183,516.89 and 79,291.44 is: 109,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,001.46 : 183,516.89 = 79,291.44 : x
  2. Step 2: Convert to fraction form
    133,001.46/183,516.89 = 79,291.44/x
  3. Step 3: Cross multiply
    133,001.46x = 183,516.89 × 79,291.44
  4. Step 4: Simplify right side
    133,001.46x = 14,551,318,075.96
  5. Step 5: Solve for x
    x = 14,551,318,075.96/133,001.46
  6. Step 6: Final answer
    x = 109,407.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.