Home / 161,744.51-242,661.76-70,567.89

Finding the Fourth Proportional to 161,744.51, 242,661.76 and 70,567.89

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Solution

The fourth proportional to 161,744.51, 242,661.76 and 70,567.89 is: 105,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,744.51 : 242,661.76 = 70,567.89 : x
  2. Step 2: Convert to fraction form
    161,744.51/242,661.76 = 70,567.89/x
  3. Step 3: Cross multiply
    161,744.51x = 242,661.76 × 70,567.89
  4. Step 4: Simplify right side
    161,744.51x = 17,124,128,563.31
  5. Step 5: Solve for x
    x = 17,124,128,563.31/161,744.51
  6. Step 6: Final answer
    x = 105,871.47

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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.