Home / 127,699.06-176,176.74-73,964.48

Finding the Fourth Proportional to 127,699.06, 176,176.74 and 73,964.48

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Solution

The fourth proportional to 127,699.06, 176,176.74 and 73,964.48 is: 102,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.06 : 176,176.74 = 73,964.48 : x
  2. Step 2: Convert to fraction form
    127,699.06/176,176.74 = 73,964.48/x
  3. Step 3: Cross multiply
    127,699.06x = 176,176.74 × 73,964.48
  4. Step 4: Simplify right side
    127,699.06x = 13,030,820,962.20
  5. Step 5: Solve for x
    x = 13,030,820,962.20/127,699.06
  6. Step 6: Final answer
    x = 102,043.20

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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.