Home / 161,926.90-242,890.35-155,706.10

Finding the Fourth Proportional to 161,926.90, 242,890.35 and 155,706.10

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Solution

The fourth proportional to 161,926.90, 242,890.35 and 155,706.10 is: 233,559.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,926.90 : 242,890.35 = 155,706.10 : x
  2. Step 2: Convert to fraction form
    161,926.90/242,890.35 = 155,706.10/x
  3. Step 3: Cross multiply
    161,926.90x = 242,890.35 × 155,706.10
  4. Step 4: Simplify right side
    161,926.90x = 37,819,509,126.14
  5. Step 5: Solve for x
    x = 37,819,509,126.14/161,926.90
  6. Step 6: Final answer
    x = 233,559.15

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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.