Home / 123,528.20-185,292.30-61,320.20

Finding the Fourth Proportional to 123,528.20, 185,292.30 and 61,320.20

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Solution

The fourth proportional to 123,528.20, 185,292.30 and 61,320.20 is: 91,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,528.20 : 185,292.30 = 61,320.20 : x
  2. Step 2: Convert to fraction form
    123,528.20/185,292.30 = 61,320.20/x
  3. Step 3: Cross multiply
    123,528.20x = 185,292.30 × 61,320.20
  4. Step 4: Simplify right side
    123,528.20x = 11,362,160,894.46
  5. Step 5: Solve for x
    x = 11,362,160,894.46/123,528.20
  6. Step 6: Final answer
    x = 91,980.30

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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.