Home / 127,935.32-191,808.18-61,312

Finding the Fourth Proportional to 127,935.32, 191,808.18 and 61,312

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Solution

The fourth proportional to 127,935.32, 191,808.18 and 61,312 is: 91,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,935.32 : 191,808.18 = 61,312 : x
  2. Step 2: Convert to fraction form
    127,935.32/191,808.18 = 61,312/x
  3. Step 3: Cross multiply
    127,935.32x = 191,808.18 × 61,312
  4. Step 4: Simplify right side
    127,935.32x = 11,760,143,132.16
  5. Step 5: Solve for x
    x = 11,760,143,132.16/127,935.32
  6. Step 6: Final answer
    x = 91,922.57

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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.