Home / 113,325.40-169,988.10-112,634.20

Finding the Fourth Proportional to 113,325.40, 169,988.10 and 112,634.20

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Solution

The fourth proportional to 113,325.40, 169,988.10 and 112,634.20 is: 168,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,325.40 : 169,988.10 = 112,634.20 : x
  2. Step 2: Convert to fraction form
    113,325.40/169,988.10 = 112,634.20/x
  3. Step 3: Cross multiply
    113,325.40x = 169,988.10 × 112,634.20
  4. Step 4: Simplify right side
    113,325.40x = 19,146,473,653.02
  5. Step 5: Solve for x
    x = 19,146,473,653.02/113,325.40
  6. Step 6: Final answer
    x = 168,951.30

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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.