Home / 161,945.84-242,918.77-86,962.84

Finding the Fourth Proportional to 161,945.84, 242,918.77 and 86,962.84

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Solution

The fourth proportional to 161,945.84, 242,918.77 and 86,962.84 is: 130,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.84 : 242,918.77 = 86,962.84 : x
  2. Step 2: Convert to fraction form
    161,945.84/242,918.77 = 86,962.84/x
  3. Step 3: Cross multiply
    161,945.84x = 242,918.77 × 86,962.84
  4. Step 4: Simplify right side
    161,945.84x = 21,124,905,693.69
  5. Step 5: Solve for x
    x = 21,124,905,693.69/161,945.84
  6. Step 6: Final answer
    x = 130,444.26

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1.5x scale

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.