Home / 135,118.02-186,462.90-73,864.47

Finding the Fourth Proportional to 135,118.02, 186,462.90 and 73,864.47

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Solution

The fourth proportional to 135,118.02, 186,462.90 and 73,864.47 is: 101,932.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,118.02 : 186,462.90 = 73,864.47 : x
  2. Step 2: Convert to fraction form
    135,118.02/186,462.90 = 73,864.47/x
  3. Step 3: Cross multiply
    135,118.02x = 186,462.90 × 73,864.47
  4. Step 4: Simplify right side
    135,118.02x = 13,772,983,283.16
  5. Step 5: Solve for x
    x = 13,772,983,283.16/135,118.02
  6. Step 6: Final answer
    x = 101,932.99

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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.