Home / 155,926.40-234,004.80-103,318.40

Finding the Fourth Proportional to 155,926.40, 234,004.80 and 103,318.40

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Solution

The fourth proportional to 155,926.40, 234,004.80 and 103,318.40 is: 155,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,926.40 : 234,004.80 = 103,318.40 : x
  2. Step 2: Convert to fraction form
    155,926.40/234,004.80 = 103,318.40/x
  3. Step 3: Cross multiply
    155,926.40x = 234,004.80 × 103,318.40
  4. Step 4: Simplify right side
    155,926.40x = 24,177,001,528.32
  5. Step 5: Solve for x
    x = 24,177,001,528.32/155,926.40
  6. Step 6: Final answer
    x = 155,053.93

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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.