Home / 150,283.95-207,341.51-86,620.38

Finding the Fourth Proportional to 150,283.95, 207,341.51 and 86,620.38

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Solution

The fourth proportional to 150,283.95, 207,341.51 and 86,620.38 is: 119,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,283.95 : 207,341.51 = 86,620.38 : x
  2. Step 2: Convert to fraction form
    150,283.95/207,341.51 = 86,620.38/x
  3. Step 3: Cross multiply
    150,283.95x = 207,341.51 × 86,620.38
  4. Step 4: Simplify right side
    150,283.95x = 17,959,999,952.87
  5. Step 5: Solve for x
    x = 17,959,999,952.87/150,283.95
  6. Step 6: Final answer
    x = 119,507.11

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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.