Home / 127,865.84-176,372.52-84,844.40

Finding the Fourth Proportional to 127,865.84, 176,372.52 and 84,844.40

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Solution

The fourth proportional to 127,865.84, 176,372.52 and 84,844.40 is: 117,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.84 : 176,372.52 = 84,844.40 : x
  2. Step 2: Convert to fraction form
    127,865.84/176,372.52 = 84,844.40/x
  3. Step 3: Cross multiply
    127,865.84x = 176,372.52 × 84,844.40
  4. Step 4: Simplify right side
    127,865.84x = 14,964,220,635.89
  5. Step 5: Solve for x
    x = 14,964,220,635.89/127,865.84
  6. Step 6: Final answer
    x = 117,030.64

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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.