Home / 136,857.81-205,292.40-46,962.33

Finding the Fourth Proportional to 136,857.81, 205,292.40 and 46,962.33

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Solution

The fourth proportional to 136,857.81, 205,292.40 and 46,962.33 is: 70,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,857.81 : 205,292.40 = 46,962.33 : x
  2. Step 2: Convert to fraction form
    136,857.81/205,292.40 = 46,962.33/x
  3. Step 3: Cross multiply
    136,857.81x = 205,292.40 × 46,962.33
  4. Step 4: Simplify right side
    136,857.81x = 9,641,009,435.29
  5. Step 5: Solve for x
    x = 9,641,009,435.29/136,857.81
  6. Step 6: Final answer
    x = 70,445.45

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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.