Home / 236,489.90-354,953.55-118,246.10

Finding the Fourth Proportional to 236,489.90, 354,953.55 and 118,246.10

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Solution

The fourth proportional to 236,489.90, 354,953.55 and 118,246.10 is: 177,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,489.90 : 354,953.55 = 118,246.10 : x
  2. Step 2: Convert to fraction form
    236,489.90/354,953.55 = 118,246.10/x
  3. Step 3: Cross multiply
    236,489.90x = 354,953.55 × 118,246.10
  4. Step 4: Simplify right side
    236,489.90x = 41,971,872,968.66
  5. Step 5: Solve for x
    x = 41,971,872,968.66/236,489.90
  6. Step 6: Final answer
    x = 177,478.50

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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.