Home / 176,450.81-243,497.83-98,921.31

Finding the Fourth Proportional to 176,450.81, 243,497.83 and 98,921.31

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Solution

The fourth proportional to 176,450.81, 243,497.83 and 98,921.31 is: 136,509.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,450.81 : 243,497.83 = 98,921.31 : x
  2. Step 2: Convert to fraction form
    176,450.81/243,497.83 = 98,921.31/x
  3. Step 3: Cross multiply
    176,450.81x = 243,497.83 × 98,921.31
  4. Step 4: Simplify right side
    176,450.81x = 24,087,124,325.76
  5. Step 5: Solve for x
    x = 24,087,124,325.76/176,450.81
  6. Step 6: Final answer
    x = 136,509.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.