Home / 127,609.02-176,139.16-73,907.24

Finding the Fourth Proportional to 127,609.02, 176,139.16 and 73,907.24

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Solution

The fourth proportional to 127,609.02, 176,139.16 and 73,907.24 is: 102,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,609.02 : 176,139.16 = 73,907.24 : x
  2. Step 2: Convert to fraction form
    127,609.02/176,139.16 = 73,907.24/x
  3. Step 3: Cross multiply
    127,609.02x = 176,139.16 × 73,907.24
  4. Step 4: Simplify right side
    127,609.02x = 13,017,958,106.05
  5. Step 5: Solve for x
    x = 13,017,958,106.05/127,609.02
  6. Step 6: Final answer
    x = 102,014.40

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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.