Home / 124,225.20-186,337.80-112,172.40

Finding the Fourth Proportional to 124,225.20, 186,337.80 and 112,172.40

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Solution

The fourth proportional to 124,225.20, 186,337.80 and 112,172.40 is: 168,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,225.20 : 186,337.80 = 112,172.40 : x
  2. Step 2: Convert to fraction form
    124,225.20/186,337.80 = 112,172.40/x
  3. Step 3: Cross multiply
    124,225.20x = 186,337.80 × 112,172.40
  4. Step 4: Simplify right side
    124,225.20x = 20,901,958,236.72
  5. Step 5: Solve for x
    x = 20,901,958,236.72/124,225.20
  6. Step 6: Final answer
    x = 168,258.60

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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.