Home / 187,564.04-258,838.40-102,681.12

Finding the Fourth Proportional to 187,564.04, 258,838.40 and 102,681.12

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Solution

The fourth proportional to 187,564.04, 258,838.40 and 102,681.12 is: 141,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.04 : 258,838.40 = 102,681.12 : x
  2. Step 2: Convert to fraction form
    187,564.04/258,838.40 = 102,681.12/x
  3. Step 3: Cross multiply
    187,564.04x = 258,838.40 × 102,681.12
  4. Step 4: Simplify right side
    187,564.04x = 26,577,816,811.01
  5. Step 5: Solve for x
    x = 26,577,816,811.01/187,564.04
  6. Step 6: Final answer
    x = 141,699.96

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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.