Home / 127,319.99-175,714.92-70,731.36

Finding the Fourth Proportional to 127,319.99, 175,714.92 and 70,731.36

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Solution

The fourth proportional to 127,319.99, 175,714.92 and 70,731.36 is: 97,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,319.99 : 175,714.92 = 70,731.36 : x
  2. Step 2: Convert to fraction form
    127,319.99/175,714.92 = 70,731.36/x
  3. Step 3: Cross multiply
    127,319.99x = 175,714.92 × 70,731.36
  4. Step 4: Simplify right side
    127,319.99x = 12,428,555,263.89
  5. Step 5: Solve for x
    x = 12,428,555,263.89/127,319.99
  6. Step 6: Final answer
    x = 97,616.69

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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.