Home / 147,485.04-203,528.88-80,417.04

Finding the Fourth Proportional to 147,485.04, 203,528.88 and 80,417.04

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Solution

The fourth proportional to 147,485.04, 203,528.88 and 80,417.04 is: 110,975.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,485.04 : 203,528.88 = 80,417.04 : x
  2. Step 2: Convert to fraction form
    147,485.04/203,528.88 = 80,417.04/x
  3. Step 3: Cross multiply
    147,485.04x = 203,528.88 × 80,417.04
  4. Step 4: Simplify right side
    147,485.04x = 16,367,190,084.12
  5. Step 5: Solve for x
    x = 16,367,190,084.12/147,485.04
  6. Step 6: Final answer
    x = 110,975.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.