Home / 133,237.09-183,877.67-75,878.84

Finding the Fourth Proportional to 133,237.09, 183,877.67 and 75,878.84

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Solution

The fourth proportional to 133,237.09, 183,877.67 and 75,878.84 is: 104,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,237.09 : 183,877.67 = 75,878.84 : x
  2. Step 2: Convert to fraction form
    133,237.09/183,877.67 = 75,878.84/x
  3. Step 3: Cross multiply
    133,237.09x = 183,877.67 × 75,878.84
  4. Step 4: Simplify right side
    133,237.09x = 13,952,423,002.72
  5. Step 5: Solve for x
    x = 13,952,423,002.72/133,237.09
  6. Step 6: Final answer
    x = 104,718.76

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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.