Home / 151,001.07-208,381.61-83,019.20

Finding the Fourth Proportional to 151,001.07, 208,381.61 and 83,019.20

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Solution

The fourth proportional to 151,001.07, 208,381.61 and 83,019.20 is: 114,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,001.07 : 208,381.61 = 83,019.20 : x
  2. Step 2: Convert to fraction form
    151,001.07/208,381.61 = 83,019.20/x
  3. Step 3: Cross multiply
    151,001.07x = 208,381.61 × 83,019.20
  4. Step 4: Simplify right side
    151,001.07x = 17,299,674,556.91
  5. Step 5: Solve for x
    x = 17,299,674,556.91/151,001.07
  6. Step 6: Final answer
    x = 114,566.57

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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.