Home / 151,681.95-209,362.73-88,040.25

Finding the Fourth Proportional to 151,681.95, 209,362.73 and 88,040.25

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Solution

The fourth proportional to 151,681.95, 209,362.73 and 88,040.25 is: 121,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,681.95 : 209,362.73 = 88,040.25 : x
  2. Step 2: Convert to fraction form
    151,681.95/209,362.73 = 88,040.25/x
  3. Step 3: Cross multiply
    151,681.95x = 209,362.73 × 88,040.25
  4. Step 4: Simplify right side
    151,681.95x = 18,432,346,649.68
  5. Step 5: Solve for x
    x = 18,432,346,649.68/151,681.95
  6. Step 6: Final answer
    x = 121,519.71

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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.