Home / 218,559.07-301,633.11-127,909.63

Finding the Fourth Proportional to 218,559.07, 301,633.11 and 127,909.63

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Solution

The fourth proportional to 218,559.07, 301,633.11 and 127,909.63 is: 176,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,559.07 : 301,633.11 = 127,909.63 : x
  2. Step 2: Convert to fraction form
    218,559.07/301,633.11 = 127,909.63/x
  3. Step 3: Cross multiply
    218,559.07x = 301,633.11 × 127,909.63
  4. Step 4: Simplify right side
    218,559.07x = 38,581,779,495.85
  5. Step 5: Solve for x
    x = 38,581,779,495.85/218,559.07
  6. Step 6: Final answer
    x = 176,527.93

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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.