Home / 145,387.93-200,573.67-88,766.50

Finding the Fourth Proportional to 145,387.93, 200,573.67 and 88,766.50

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Solution

The fourth proportional to 145,387.93, 200,573.67 and 88,766.50 is: 122,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,387.93 : 200,573.67 = 88,766.50 : x
  2. Step 2: Convert to fraction form
    145,387.93/200,573.67 = 88,766.50/x
  3. Step 3: Cross multiply
    145,387.93x = 200,573.67 × 88,766.50
  4. Step 4: Simplify right side
    145,387.93x = 17,804,222,678.06
  5. Step 5: Solve for x
    x = 17,804,222,678.06/145,387.93
  6. Step 6: Final answer
    x = 122,460.12

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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.