Home / 190,466.28-285,483.15-89,159.04

Finding the Fourth Proportional to 190,466.28, 285,483.15 and 89,159.04

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Solution

The fourth proportional to 190,466.28, 285,483.15 and 89,159.04 is: 133,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,466.28 : 285,483.15 = 89,159.04 : x
  2. Step 2: Convert to fraction form
    190,466.28/285,483.15 = 89,159.04/x
  3. Step 3: Cross multiply
    190,466.28x = 285,483.15 × 89,159.04
  4. Step 4: Simplify right side
    190,466.28x = 25,453,403,590.18
  5. Step 5: Solve for x
    x = 25,453,403,590.18/190,466.28
  6. Step 6: Final answer
    x = 133,637.32

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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.