Home / 177,689.76-245,205.22-97,116.64

Finding the Fourth Proportional to 177,689.76, 245,205.22 and 97,116.64

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Solution

The fourth proportional to 177,689.76, 245,205.22 and 97,116.64 is: 134,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,689.76 : 245,205.22 = 97,116.64 : x
  2. Step 2: Convert to fraction form
    177,689.76/245,205.22 = 97,116.64/x
  3. Step 3: Cross multiply
    177,689.76x = 245,205.22 × 97,116.64
  4. Step 4: Simplify right side
    177,689.76x = 23,813,507,076.86
  5. Step 5: Solve for x
    x = 23,813,507,076.86/177,689.76
  6. Step 6: Final answer
    x = 134,017.33

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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.