Home / 218,569.10-301,632.84-127,933.52

Finding the Fourth Proportional to 218,569.10, 301,632.84 and 127,933.52

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Solution

The fourth proportional to 218,569.10, 301,632.84 and 127,933.52 is: 176,552.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,569.10 : 301,632.84 = 127,933.52 : x
  2. Step 2: Convert to fraction form
    218,569.10/301,632.84 = 127,933.52/x
  3. Step 3: Cross multiply
    218,569.10x = 301,632.84 × 127,933.52
  4. Step 4: Simplify right side
    218,569.10x = 38,588,950,968.80
  5. Step 5: Solve for x
    x = 38,588,950,968.80/218,569.10
  6. Step 6: Final answer
    x = 176,552.64

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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.