Home / 127,255.01-175,493.81-81,852.89

Finding the Fourth Proportional to 127,255.01, 175,493.81 and 81,852.89

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Solution

The fourth proportional to 127,255.01, 175,493.81 and 81,852.89 is: 112,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,255.01 : 175,493.81 = 81,852.89 : x
  2. Step 2: Convert to fraction form
    127,255.01/175,493.81 = 81,852.89/x
  3. Step 3: Cross multiply
    127,255.01x = 175,493.81 × 81,852.89
  4. Step 4: Simplify right side
    127,255.01x = 14,364,675,116.35
  5. Step 5: Solve for x
    x = 14,364,675,116.35/127,255.01
  6. Step 6: Final answer
    x = 112,881.02

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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.