Home / 145,784.80-201,176.22-98,030.44

Finding the Fourth Proportional to 145,784.80, 201,176.22 and 98,030.44

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Solution

The fourth proportional to 145,784.80, 201,176.22 and 98,030.44 is: 135,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,784.80 : 201,176.22 = 98,030.44 : x
  2. Step 2: Convert to fraction form
    145,784.80/201,176.22 = 98,030.44/x
  3. Step 3: Cross multiply
    145,784.80x = 201,176.22 × 98,030.44
  4. Step 4: Simplify right side
    145,784.80x = 19,721,393,364.14
  5. Step 5: Solve for x
    x = 19,721,393,364.14/145,784.80
  6. Step 6: Final answer
    x = 135,277.43

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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.