Home / 218,223.09-301,102.71-127,561.53

Finding the Fourth Proportional to 218,223.09, 301,102.71 and 127,561.53

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Solution

The fourth proportional to 218,223.09, 301,102.71 and 127,561.53 is: 176,008.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,223.09 : 301,102.71 = 127,561.53 : x
  2. Step 2: Convert to fraction form
    218,223.09/301,102.71 = 127,561.53/x
  3. Step 3: Cross multiply
    218,223.09x = 301,102.71 × 127,561.53
  4. Step 4: Simplify right side
    218,223.09x = 38,409,122,374.75
  5. Step 5: Solve for x
    x = 38,409,122,374.75/218,223.09
  6. Step 6: Final answer
    x = 176,008.52

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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.