Home / 132,030.95-182,185.20-74,678.09

Finding the Fourth Proportional to 132,030.95, 182,185.20 and 74,678.09

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Solution

The fourth proportional to 132,030.95, 182,185.20 and 74,678.09 is: 103,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,030.95 : 182,185.20 = 74,678.09 : x
  2. Step 2: Convert to fraction form
    132,030.95/182,185.20 = 74,678.09/x
  3. Step 3: Cross multiply
    132,030.95x = 182,185.20 × 74,678.09
  4. Step 4: Simplify right side
    132,030.95x = 13,605,241,851.34
  5. Step 5: Solve for x
    x = 13,605,241,851.34/132,030.95
  6. Step 6: Final answer
    x = 103,045.86

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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.