Home / 118,280.76-163,196.76-70,500.36

Finding the Fourth Proportional to 118,280.76, 163,196.76 and 70,500.36

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Solution

The fourth proportional to 118,280.76, 163,196.76 and 70,500.36 is: 97,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,280.76 : 163,196.76 = 70,500.36 : x
  2. Step 2: Convert to fraction form
    118,280.76/163,196.76 = 70,500.36/x
  3. Step 3: Cross multiply
    118,280.76x = 163,196.76 × 70,500.36
  4. Step 4: Simplify right side
    118,280.76x = 11,505,430,330.83
  5. Step 5: Solve for x
    x = 11,505,430,330.83/118,280.76
  6. Step 6: Final answer
    x = 97,272.20

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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.