Home / 161,253.16-241,908.94-66,430.65

Finding the Fourth Proportional to 161,253.16, 241,908.94 and 66,430.65

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Solution

The fourth proportional to 161,253.16, 241,908.94 and 66,430.65 is: 99,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,253.16 : 241,908.94 = 66,430.65 : x
  2. Step 2: Convert to fraction form
    161,253.16/241,908.94 = 66,430.65/x
  3. Step 3: Cross multiply
    161,253.16x = 241,908.94 × 66,430.65
  4. Step 4: Simplify right side
    161,253.16x = 16,070,168,866.09
  5. Step 5: Solve for x
    x = 16,070,168,866.09/161,253.16
  6. Step 6: Final answer
    x = 99,658.01

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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.