Home / 121,346.37-182,101.53-42,461.28

Finding the Fourth Proportional to 121,346.37, 182,101.53 and 42,461.28

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Solution

The fourth proportional to 121,346.37, 182,101.53 and 42,461.28 is: 63,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.37 : 182,101.53 = 42,461.28 : x
  2. Step 2: Convert to fraction form
    121,346.37/182,101.53 = 42,461.28/x
  3. Step 3: Cross multiply
    121,346.37x = 182,101.53 × 42,461.28
  4. Step 4: Simplify right side
    121,346.37x = 7,732,264,053.76
  5. Step 5: Solve for x
    x = 7,732,264,053.76/121,346.37
  6. Step 6: Final answer
    x = 63,720.60

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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.