Home / 207,962.51-286,988.27-112,469.18

Finding the Fourth Proportional to 207,962.51, 286,988.27 and 112,469.18

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Solution

The fourth proportional to 207,962.51, 286,988.27 and 112,469.18 is: 155,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,962.51 : 286,988.27 = 112,469.18 : x
  2. Step 2: Convert to fraction form
    207,962.51/286,988.27 = 112,469.18/x
  3. Step 3: Cross multiply
    207,962.51x = 286,988.27 × 112,469.18
  4. Step 4: Simplify right side
    207,962.51x = 32,277,333,399.23
  5. Step 5: Solve for x
    x = 32,277,333,399.23/207,962.51
  6. Step 6: Final answer
    x = 155,207.47

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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.