Home / 122,526.90-183,899.70-105,905.70

Finding the Fourth Proportional to 122,526.90, 183,899.70 and 105,905.70

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Solution

The fourth proportional to 122,526.90, 183,899.70 and 105,905.70 is: 158,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526.90 : 183,899.70 = 105,905.70 : x
  2. Step 2: Convert to fraction form
    122,526.90/183,899.70 = 105,905.70/x
  3. Step 3: Cross multiply
    122,526.90x = 183,899.70 × 105,905.70
  4. Step 4: Simplify right side
    122,526.90x = 19,476,026,458.29
  5. Step 5: Solve for x
    x = 19,476,026,458.29/122,526.90
  6. Step 6: Final answer
    x = 158,953.07

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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.