Home / 218,167.90-301,022.66-126,272.93

Finding the Fourth Proportional to 218,167.90, 301,022.66 and 126,272.93

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Solution

The fourth proportional to 218,167.90, 301,022.66 and 126,272.93 is: 174,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,167.90 : 301,022.66 = 126,272.93 : x
  2. Step 2: Convert to fraction form
    218,167.90/301,022.66 = 126,272.93/x
  3. Step 3: Cross multiply
    218,167.90x = 301,022.66 × 126,272.93
  4. Step 4: Simplify right side
    218,167.90x = 38,011,012,085.16
  5. Step 5: Solve for x
    x = 38,011,012,085.16/218,167.90
  6. Step 6: Final answer
    x = 174,228.26

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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.