Home / 123,528.20-185,292.30-83,611.40

Finding the Fourth Proportional to 123,528.20, 185,292.30 and 83,611.40

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Solution

The fourth proportional to 123,528.20, 185,292.30 and 83,611.40 is: 125,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,528.20 : 185,292.30 = 83,611.40 : x
  2. Step 2: Convert to fraction form
    123,528.20/185,292.30 = 83,611.40/x
  3. Step 3: Cross multiply
    123,528.20x = 185,292.30 × 83,611.40
  4. Step 4: Simplify right side
    123,528.20x = 15,492,548,612.22
  5. Step 5: Solve for x
    x = 15,492,548,612.22/123,528.20
  6. Step 6: Final answer
    x = 125,417.10

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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.