Home / 120,927.60-181,424.08-42,046.16

Finding the Fourth Proportional to 120,927.60, 181,424.08 and 42,046.16

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Solution

The fourth proportional to 120,927.60, 181,424.08 and 42,046.16 is: 63,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,927.60 : 181,424.08 = 42,046.16 : x
  2. Step 2: Convert to fraction form
    120,927.60/181,424.08 = 42,046.16/x
  3. Step 3: Cross multiply
    120,927.60x = 181,424.08 × 42,046.16
  4. Step 4: Simplify right side
    120,927.60x = 7,628,185,895.53
  5. Step 5: Solve for x
    x = 7,628,185,895.53/120,927.60
  6. Step 6: Final answer
    x = 63,080.60

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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.