Home / 113,328.80-169,993.20-102,053.60

Finding the Fourth Proportional to 113,328.80, 169,993.20 and 102,053.60

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Solution

The fourth proportional to 113,328.80, 169,993.20 and 102,053.60 is: 153,080.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,328.80 : 169,993.20 = 102,053.60 : x
  2. Step 2: Convert to fraction form
    113,328.80/169,993.20 = 102,053.60/x
  3. Step 3: Cross multiply
    113,328.80x = 169,993.20 × 102,053.60
  4. Step 4: Simplify right side
    113,328.80x = 17,348,418,035.52
  5. Step 5: Solve for x
    x = 17,348,418,035.52/113,328.80
  6. Step 6: Final answer
    x = 153,080.40

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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.