Home / 131,890.04-182,017.19-74,509.46

Finding the Fourth Proportional to 131,890.04, 182,017.19 and 74,509.46

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Solution

The fourth proportional to 131,890.04, 182,017.19 and 74,509.46 is: 102,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.04 : 182,017.19 = 74,509.46 : x
  2. Step 2: Convert to fraction form
    131,890.04/182,017.19 = 74,509.46/x
  3. Step 3: Cross multiply
    131,890.04x = 182,017.19 × 74,509.46
  4. Step 4: Simplify right side
    131,890.04x = 13,562,002,165.07
  5. Step 5: Solve for x
    x = 13,562,002,165.07/131,890.04
  6. Step 6: Final answer
    x = 102,828.10

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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.