Home / 124,080.12-171,232.38-76,305.24

Finding the Fourth Proportional to 124,080.12, 171,232.38 and 76,305.24

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Solution

The fourth proportional to 124,080.12, 171,232.38 and 76,305.24 is: 105,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,080.12 : 171,232.38 = 76,305.24 : x
  2. Step 2: Convert to fraction form
    124,080.12/171,232.38 = 76,305.24/x
  3. Step 3: Cross multiply
    124,080.12x = 171,232.38 × 76,305.24
  4. Step 4: Simplify right side
    124,080.12x = 13,065,927,851.67
  5. Step 5: Solve for x
    x = 13,065,927,851.67/124,080.12
  6. Step 6: Final answer
    x = 105,302.35

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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.