Home / 118,439.90-163,370.68-70,656.38

Finding the Fourth Proportional to 118,439.90, 163,370.68 and 70,656.38

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Solution

The fourth proportional to 118,439.90, 163,370.68 and 70,656.38 is: 97,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,439.90 : 163,370.68 = 70,656.38 : x
  2. Step 2: Convert to fraction form
    118,439.90/163,370.68 = 70,656.38/x
  3. Step 3: Cross multiply
    118,439.90x = 163,370.68 × 70,656.38
  4. Step 4: Simplify right side
    118,439.90x = 11,543,180,846.94
  5. Step 5: Solve for x
    x = 11,543,180,846.94/118,439.90
  6. Step 6: Final answer
    x = 97,460.24

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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.