Home / 208,011.88-286,965.24-121,927.23

Finding the Fourth Proportional to 208,011.88, 286,965.24 and 121,927.23

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Solution

The fourth proportional to 208,011.88, 286,965.24 and 121,927.23 is: 168,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,011.88 : 286,965.24 = 121,927.23 : x
  2. Step 2: Convert to fraction form
    208,011.88/286,965.24 = 121,927.23/x
  3. Step 3: Cross multiply
    208,011.88x = 286,965.24 × 121,927.23
  4. Step 4: Simplify right side
    208,011.88x = 34,988,876,362.26
  5. Step 5: Solve for x
    x = 34,988,876,362.26/208,011.88
  6. Step 6: Final answer
    x = 168,206.14

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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.