Home / 133,248.75-183,865.59-85,566.75

Finding the Fourth Proportional to 133,248.75, 183,865.59 and 85,566.75

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Solution

The fourth proportional to 133,248.75, 183,865.59 and 85,566.75 is: 118,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,248.75 : 183,865.59 = 85,566.75 : x
  2. Step 2: Convert to fraction form
    133,248.75/183,865.59 = 85,566.75/x
  3. Step 3: Cross multiply
    133,248.75x = 183,865.59 × 85,566.75
  4. Step 4: Simplify right side
    133,248.75x = 15,732,780,973.13
  5. Step 5: Solve for x
    x = 15,732,780,973.13/133,248.75
  6. Step 6: Final answer
    x = 118,070.76

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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.