Home / 136,015.92-187,880.40-93,500.64

Finding the Fourth Proportional to 136,015.92, 187,880.40 and 93,500.64

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Solution

The fourth proportional to 136,015.92, 187,880.40 and 93,500.64 is: 129,153.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,015.92 : 187,880.40 = 93,500.64 : x
  2. Step 2: Convert to fraction form
    136,015.92/187,880.40 = 93,500.64/x
  3. Step 3: Cross multiply
    136,015.92x = 187,880.40 × 93,500.64
  4. Step 4: Simplify right side
    136,015.92x = 17,566,937,643.46
  5. Step 5: Solve for x
    x = 17,566,937,643.46/136,015.92
  6. Step 6: Final answer
    x = 129,153.54

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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.