Home / 133,196.10-183,807.53-72,767.06

Finding the Fourth Proportional to 133,196.10, 183,807.53 and 72,767.06

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Solution

The fourth proportional to 133,196.10, 183,807.53 and 72,767.06 is: 100,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,196.10 : 183,807.53 = 72,767.06 : x
  2. Step 2: Convert to fraction form
    133,196.10/183,807.53 = 72,767.06/x
  3. Step 3: Cross multiply
    133,196.10x = 183,807.53 × 72,767.06
  4. Step 4: Simplify right side
    133,196.10x = 13,375,133,243.24
  5. Step 5: Solve for x
    x = 13,375,133,243.24/133,196.10
  6. Step 6: Final answer
    x = 100,416.86

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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.