Home / 194,712.02-291,929.98-86,582.28

Finding the Fourth Proportional to 194,712.02, 291,929.98 and 86,582.28

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Solution

The fourth proportional to 194,712.02, 291,929.98 and 86,582.28 is: 129,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,712.02 : 291,929.98 = 86,582.28 : x
  2. Step 2: Convert to fraction form
    194,712.02/291,929.98 = 86,582.28/x
  3. Step 3: Cross multiply
    194,712.02x = 291,929.98 × 86,582.28
  4. Step 4: Simplify right side
    194,712.02x = 25,275,963,268.75
  5. Step 5: Solve for x
    x = 25,275,963,268.75/194,712.02
  6. Step 6: Final answer
    x = 129,812.03

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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.