Home / 113,479.10-170,218.65-83,954.60

Finding the Fourth Proportional to 113,479.10, 170,218.65 and 83,954.60

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Solution

The fourth proportional to 113,479.10, 170,218.65 and 83,954.60 is: 125,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,479.10 : 170,218.65 = 83,954.60 : x
  2. Step 2: Convert to fraction form
    113,479.10/170,218.65 = 83,954.60/x
  3. Step 3: Cross multiply
    113,479.10x = 170,218.65 × 83,954.60
  4. Step 4: Simplify right side
    113,479.10x = 14,290,638,673.29
  5. Step 5: Solve for x
    x = 14,290,638,673.29/113,479.10
  6. Step 6: Final answer
    x = 125,931.90

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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.