Home / 266,386.51-367,613.13-153,209.26

Finding the Fourth Proportional to 266,386.51, 367,613.13 and 153,209.26

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Solution

The fourth proportional to 266,386.51, 367,613.13 and 153,209.26 is: 211,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,386.51 : 367,613.13 = 153,209.26 : x
  2. Step 2: Convert to fraction form
    266,386.51/367,613.13 = 153,209.26/x
  3. Step 3: Cross multiply
    266,386.51x = 367,613.13 × 153,209.26
  4. Step 4: Simplify right side
    266,386.51x = 56,321,735,613.58
  5. Step 5: Solve for x
    x = 56,321,735,613.58/266,386.51
  6. Step 6: Final answer
    x = 211,428.63

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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.