Home / 607,947.87-911,975.27-158,665.17

Finding the Fourth Proportional to 607,947.87, 911,975.27 and 158,665.17

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Solution

The fourth proportional to 607,947.87, 911,975.27 and 158,665.17 is: 238,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,947.87 : 911,975.27 = 158,665.17 : x
  2. Step 2: Convert to fraction form
    607,947.87/911,975.27 = 158,665.17/x
  3. Step 3: Cross multiply
    607,947.87x = 911,975.27 × 158,665.17
  4. Step 4: Simplify right side
    607,947.87x = 144,698,710,457.02
  5. Step 5: Solve for x
    x = 144,698,710,457.02/607,947.87
  6. Step 6: Final answer
    x = 238,011.71

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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.