Home / 218,681.36-301,677.09-127,981.13

Finding the Fourth Proportional to 218,681.36, 301,677.09 and 127,981.13

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Solution

The fourth proportional to 218,681.36, 301,677.09 and 127,981.13 is: 176,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,681.36 : 301,677.09 = 127,981.13 : x
  2. Step 2: Convert to fraction form
    218,681.36/301,677.09 = 127,981.13/x
  3. Step 3: Cross multiply
    218,681.36x = 301,677.09 × 127,981.13
  4. Step 4: Simplify right side
    218,681.36x = 38,608,973,364.93
  5. Step 5: Solve for x
    x = 38,608,973,364.93/218,681.36
  6. Step 6: Final answer
    x = 176,553.57

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1.5x scale

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.