Home / 131,880.04-181,994.20-71,452.19

Finding the Fourth Proportional to 131,880.04, 181,994.20 and 71,452.19

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Solution

The fourth proportional to 131,880.04, 181,994.20 and 71,452.19 is: 98,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,880.04 : 181,994.20 = 71,452.19 : x
  2. Step 2: Convert to fraction form
    131,880.04/181,994.20 = 71,452.19/x
  3. Step 3: Cross multiply
    131,880.04x = 181,994.20 × 71,452.19
  4. Step 4: Simplify right side
    131,880.04x = 13,003,884,433.65
  5. Step 5: Solve for x
    x = 13,003,884,433.65/131,880.04
  6. Step 6: Final answer
    x = 98,603.89

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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.