Home / 155,437.40-233,156.10-118,112.60

Finding the Fourth Proportional to 155,437.40, 233,156.10 and 118,112.60

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Solution

The fourth proportional to 155,437.40, 233,156.10 and 118,112.60 is: 177,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,437.40 : 233,156.10 = 118,112.60 : x
  2. Step 2: Convert to fraction form
    155,437.40/233,156.10 = 118,112.60/x
  3. Step 3: Cross multiply
    155,437.40x = 233,156.10 × 118,112.60
  4. Step 4: Simplify right side
    155,437.40x = 27,538,673,176.86
  5. Step 5: Solve for x
    x = 27,538,673,176.86/155,437.40
  6. Step 6: Final answer
    x = 177,168.90

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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.