Home / 126,495-174,560.76-69,905.16

Finding the Fourth Proportional to 126,495, 174,560.76 and 69,905.16

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Solution

The fourth proportional to 126,495, 174,560.76 and 69,905.16 is: 96,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,495 : 174,560.76 = 69,905.16 : x
  2. Step 2: Convert to fraction form
    126,495/174,560.76 = 69,905.16/x
  3. Step 3: Cross multiply
    126,495x = 174,560.76 × 69,905.16
  4. Step 4: Simplify right side
    126,495x = 12,202,697,857.52
  5. Step 5: Solve for x
    x = 12,202,697,857.52/126,495
  6. Step 6: Final answer
    x = 96,467.83

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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.