Home / 190,346.90-262,702.04-109,774.40

Finding the Fourth Proportional to 190,346.90, 262,702.04 and 109,774.40

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Solution

The fourth proportional to 190,346.90, 262,702.04 and 109,774.40 is: 151,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.90 : 262,702.04 = 109,774.40 : x
  2. Step 2: Convert to fraction form
    190,346.90/262,702.04 = 109,774.40/x
  3. Step 3: Cross multiply
    190,346.90x = 262,702.04 × 109,774.40
  4. Step 4: Simplify right side
    190,346.90x = 28,837,956,957.39
  5. Step 5: Solve for x
    x = 28,837,956,957.39/190,346.90
  6. Step 6: Final answer
    x = 151,502.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.