Home / 104,515.90-156,658.65-57,802.30

Finding the Fourth Proportional to 104,515.90, 156,658.65 and 57,802.30

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Solution

The fourth proportional to 104,515.90, 156,658.65 and 57,802.30 is: 86,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.90 : 156,658.65 = 57,802.30 : x
  2. Step 2: Convert to fraction form
    104,515.90/156,658.65 = 57,802.30/x
  3. Step 3: Cross multiply
    104,515.90x = 156,658.65 × 57,802.30
  4. Step 4: Simplify right side
    104,515.90x = 9,055,230,284.90
  5. Step 5: Solve for x
    x = 9,055,230,284.90/104,515.90
  6. Step 6: Final answer
    x = 86,639.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.