Home / 136,292.16-204,393.60-57,391.68

Finding the Fourth Proportional to 136,292.16, 204,393.60 and 57,391.68

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Solution

The fourth proportional to 136,292.16, 204,393.60 and 57,391.68 is: 86,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292.16 : 204,393.60 = 57,391.68 : x
  2. Step 2: Convert to fraction form
    136,292.16/204,393.60 = 57,391.68/x
  3. Step 3: Cross multiply
    136,292.16x = 204,393.60 × 57,391.68
  4. Step 4: Simplify right side
    136,292.16x = 11,730,492,085.25
  5. Step 5: Solve for x
    x = 11,730,492,085.25/136,292.16
  6. Step 6: Final answer
    x = 86,068.72

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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.