Home / 118,293.40-163,242.30-64,576.36

Finding the Fourth Proportional to 118,293.40, 163,242.30 and 64,576.36

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Solution

The fourth proportional to 118,293.40, 163,242.30 and 64,576.36 is: 89,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,293.40 : 163,242.30 = 64,576.36 : x
  2. Step 2: Convert to fraction form
    118,293.40/163,242.30 = 64,576.36/x
  3. Step 3: Cross multiply
    118,293.40x = 163,242.30 × 64,576.36
  4. Step 4: Simplify right side
    118,293.40x = 10,541,593,532.03
  5. Step 5: Solve for x
    x = 10,541,593,532.03/118,293.40
  6. Step 6: Final answer
    x = 89,113.96

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1.5x scale

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.