Home / 131,795.04-181,890.18-75,214.92

Finding the Fourth Proportional to 131,795.04, 181,890.18 and 75,214.92

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Solution

The fourth proportional to 131,795.04, 181,890.18 and 75,214.92 is: 103,804.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.04 : 181,890.18 = 75,214.92 : x
  2. Step 2: Convert to fraction form
    131,795.04/181,890.18 = 75,214.92/x
  3. Step 3: Cross multiply
    131,795.04x = 181,890.18 × 75,214.92
  4. Step 4: Simplify right side
    131,795.04x = 13,680,855,337.49
  5. Step 5: Solve for x
    x = 13,680,855,337.49/131,795.04
  6. Step 6: Final answer
    x = 103,804.02

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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.