Home / 409,629.50-614,547.94-114,141.50

Finding the Fourth Proportional to 409,629.50, 614,547.94 and 114,141.50

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Solution

The fourth proportional to 409,629.50, 614,547.94 and 114,141.50 is: 171,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,629.50 : 614,547.94 = 114,141.50 : x
  2. Step 2: Convert to fraction form
    409,629.50/614,547.94 = 114,141.50/x
  3. Step 3: Cross multiply
    409,629.50x = 614,547.94 × 114,141.50
  4. Step 4: Simplify right side
    409,629.50x = 70,145,423,693.51
  5. Step 5: Solve for x
    x = 70,145,423,693.51/409,629.50
  6. Step 6: Final answer
    x = 171,241.14

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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.