Home / 113,627.04-156,609.36-85,283.52

Finding the Fourth Proportional to 113,627.04, 156,609.36 and 85,283.52

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Solution

The fourth proportional to 113,627.04, 156,609.36 and 85,283.52 is: 117,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,627.04 : 156,609.36 = 85,283.52 : x
  2. Step 2: Convert to fraction form
    113,627.04/156,609.36 = 85,283.52/x
  3. Step 3: Cross multiply
    113,627.04x = 156,609.36 × 85,283.52
  4. Step 4: Simplify right side
    113,627.04x = 13,356,197,485.75
  5. Step 5: Solve for x
    x = 13,356,197,485.75/113,627.04
  6. Step 6: Final answer
    x = 117,544.18

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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.