Home / 150,131.68-207,256.69-86,457.17

Finding the Fourth Proportional to 150,131.68, 207,256.69 and 86,457.17

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Solution

The fourth proportional to 150,131.68, 207,256.69 and 86,457.17 is: 119,354.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,131.68 : 207,256.69 = 86,457.17 : x
  2. Step 2: Convert to fraction form
    150,131.68/207,256.69 = 86,457.17/x
  3. Step 3: Cross multiply
    150,131.68x = 207,256.69 × 86,457.17
  4. Step 4: Simplify right side
    150,131.68x = 17,918,827,507.18
  5. Step 5: Solve for x
    x = 17,918,827,507.18/150,131.68
  6. Step 6: Final answer
    x = 119,354.08

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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.