Home / 132,707.16-183,143.57-99,942.93

Finding the Fourth Proportional to 132,707.16, 183,143.57 and 99,942.93

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Solution

The fourth proportional to 132,707.16, 183,143.57 and 99,942.93 is: 137,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,707.16 : 183,143.57 = 99,942.93 : x
  2. Step 2: Convert to fraction form
    132,707.16/183,143.57 = 99,942.93/x
  3. Step 3: Cross multiply
    132,707.16x = 183,143.57 × 99,942.93
  4. Step 4: Simplify right side
    132,707.16x = 18,303,904,496.75
  5. Step 5: Solve for x
    x = 18,303,904,496.75/132,707.16
  6. Step 6: Final answer
    x = 137,927.03

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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.