Home / 193,239.28-266,547.44-139,603.12

Finding the Fourth Proportional to 193,239.28, 266,547.44 and 139,603.12

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Solution

The fourth proportional to 193,239.28, 266,547.44 and 139,603.12 is: 192,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,239.28 : 266,547.44 = 139,603.12 : x
  2. Step 2: Convert to fraction form
    193,239.28/266,547.44 = 139,603.12/x
  3. Step 3: Cross multiply
    193,239.28x = 266,547.44 × 139,603.12
  4. Step 4: Simplify right side
    193,239.28x = 37,210,854,252.01
  5. Step 5: Solve for x
    x = 37,210,854,252.01/193,239.28
  6. Step 6: Final answer
    x = 192,563.61

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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.