Home / 127,029.05-175,300.08-70,440.42

Finding the Fourth Proportional to 127,029.05, 175,300.08 and 70,440.42

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Solution

The fourth proportional to 127,029.05, 175,300.08 and 70,440.42 is: 97,207.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,029.05 : 175,300.08 = 70,440.42 : x
  2. Step 2: Convert to fraction form
    127,029.05/175,300.08 = 70,440.42/x
  3. Step 3: Cross multiply
    127,029.05x = 175,300.08 × 70,440.42
  4. Step 4: Simplify right side
    127,029.05x = 12,348,211,261.23
  5. Step 5: Solve for x
    x = 12,348,211,261.23/127,029.05
  6. Step 6: Final answer
    x = 97,207.78

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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.