Home / 180,997.04-249,767.48-100,423.68

Finding the Fourth Proportional to 180,997.04, 249,767.48 and 100,423.68

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Solution

The fourth proportional to 180,997.04, 249,767.48 and 100,423.68 is: 138,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,997.04 : 249,767.48 = 100,423.68 : x
  2. Step 2: Convert to fraction form
    180,997.04/249,767.48 = 100,423.68/x
  3. Step 3: Cross multiply
    180,997.04x = 249,767.48 × 100,423.68
  4. Step 4: Simplify right side
    180,997.04x = 25,082,569,485.93
  5. Step 5: Solve for x
    x = 25,082,569,485.93/180,997.04
  6. Step 6: Final answer
    x = 138,580.00

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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.