Home / 116,207.90-160,361.88-64,521.80

Finding the Fourth Proportional to 116,207.90, 160,361.88 and 64,521.80

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Solution

The fourth proportional to 116,207.90, 160,361.88 and 64,521.80 is: 89,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,207.90 : 160,361.88 = 64,521.80 : x
  2. Step 2: Convert to fraction form
    116,207.90/160,361.88 = 64,521.80/x
  3. Step 3: Cross multiply
    116,207.90x = 160,361.88 × 64,521.80
  4. Step 4: Simplify right side
    116,207.90x = 10,346,837,148.98
  5. Step 5: Solve for x
    x = 10,346,837,148.98/116,207.90
  6. Step 6: Final answer
    x = 89,037.30

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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.