Home / 147,721.04-203,855.04-91,165.04

Finding the Fourth Proportional to 147,721.04, 203,855.04 and 91,165.04

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Solution

The fourth proportional to 147,721.04, 203,855.04 and 91,165.04 is: 125,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,721.04 : 203,855.04 = 91,165.04 : x
  2. Step 2: Convert to fraction form
    147,721.04/203,855.04 = 91,165.04/x
  3. Step 3: Cross multiply
    147,721.04x = 203,855.04 × 91,165.04
  4. Step 4: Simplify right side
    147,721.04x = 18,584,452,875.80
  5. Step 5: Solve for x
    x = 18,584,452,875.80/147,721.04
  6. Step 6: Final answer
    x = 125,807.76

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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.