Home / 150,918.68-208,144.18-93,518.13

Finding the Fourth Proportional to 150,918.68, 208,144.18 and 93,518.13

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Solution

The fourth proportional to 150,918.68, 208,144.18 and 93,518.13 is: 128,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,918.68 : 208,144.18 = 93,518.13 : x
  2. Step 2: Convert to fraction form
    150,918.68/208,144.18 = 93,518.13/x
  3. Step 3: Cross multiply
    150,918.68x = 208,144.18 × 93,518.13
  4. Step 4: Simplify right side
    150,918.68x = 19,465,254,210.61
  5. Step 5: Solve for x
    x = 19,465,254,210.61/150,918.68
  6. Step 6: Final answer
    x = 128,978.43

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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.