Home / 282,128.04-423,357.58-104,758.20

Finding the Fourth Proportional to 282,128.04, 423,357.58 and 104,758.20

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Solution

The fourth proportional to 282,128.04, 423,357.58 and 104,758.20 is: 157,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,128.04 : 423,357.58 = 104,758.20 : x
  2. Step 2: Convert to fraction form
    282,128.04/423,357.58 = 104,758.20/x
  3. Step 3: Cross multiply
    282,128.04x = 423,357.58 × 104,758.20
  4. Step 4: Simplify right side
    282,128.04x = 44,350,178,037.16
  5. Step 5: Solve for x
    x = 44,350,178,037.16/282,128.04
  6. Step 6: Final answer
    x = 157,198.76

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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.