Home / 356,557.22-534,831.70-86,686.89

Finding the Fourth Proportional to 356,557.22, 534,831.70 and 86,686.89

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Solution

The fourth proportional to 356,557.22, 534,831.70 and 86,686.89 is: 130,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,557.22 : 534,831.70 = 86,686.89 : x
  2. Step 2: Convert to fraction form
    356,557.22/534,831.70 = 86,686.89/x
  3. Step 3: Cross multiply
    356,557.22x = 534,831.70 × 86,686.89
  4. Step 4: Simplify right side
    356,557.22x = 46,362,894,072.25
  5. Step 5: Solve for x
    x = 46,362,894,072.25/356,557.22
  6. Step 6: Final answer
    x = 130,029.33

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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.