Home / 179,424.72-268,935.93-72,783.90

Finding the Fourth Proportional to 179,424.72, 268,935.93 and 72,783.90

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Solution

The fourth proportional to 179,424.72, 268,935.93 and 72,783.90 is: 109,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,424.72 : 268,935.93 = 72,783.90 : x
  2. Step 2: Convert to fraction form
    179,424.72/268,935.93 = 72,783.90/x
  3. Step 3: Cross multiply
    179,424.72x = 268,935.93 × 72,783.90
  4. Step 4: Simplify right side
    179,424.72x = 19,574,205,835.53
  5. Step 5: Solve for x
    x = 19,574,205,835.53/179,424.72
  6. Step 6: Final answer
    x = 109,094.25

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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.