Home / 132,559.30-182,934.02-72,130.25

Finding the Fourth Proportional to 132,559.30, 182,934.02 and 72,130.25

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Solution

The fourth proportional to 132,559.30, 182,934.02 and 72,130.25 is: 99,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,559.30 : 182,934.02 = 72,130.25 : x
  2. Step 2: Convert to fraction form
    132,559.30/182,934.02 = 72,130.25/x
  3. Step 3: Cross multiply
    132,559.30x = 182,934.02 × 72,130.25
  4. Step 4: Simplify right side
    132,559.30x = 13,195,076,596.11
  5. Step 5: Solve for x
    x = 13,195,076,596.11/132,559.30
  6. Step 6: Final answer
    x = 99,540.93

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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.