Home / 129,337.60-193,880.64-61,852.16

Finding the Fourth Proportional to 129,337.60, 193,880.64 and 61,852.16

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Solution

The fourth proportional to 129,337.60, 193,880.64 and 61,852.16 is: 92,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,337.60 : 193,880.64 = 61,852.16 : x
  2. Step 2: Convert to fraction form
    129,337.60/193,880.64 = 61,852.16/x
  3. Step 3: Cross multiply
    129,337.60x = 193,880.64 × 61,852.16
  4. Step 4: Simplify right side
    129,337.60x = 11,991,936,366.18
  5. Step 5: Solve for x
    x = 11,991,936,366.18/129,337.60
  6. Step 6: Final answer
    x = 92,718.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.