Home / 148,561.15-204,995.51-84,903.07

Finding the Fourth Proportional to 148,561.15, 204,995.51 and 84,903.07

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Solution

The fourth proportional to 148,561.15, 204,995.51 and 84,903.07 is: 117,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,561.15 : 204,995.51 = 84,903.07 : x
  2. Step 2: Convert to fraction form
    148,561.15/204,995.51 = 84,903.07/x
  3. Step 3: Cross multiply
    148,561.15x = 204,995.51 × 84,903.07
  4. Step 4: Simplify right side
    148,561.15x = 17,404,747,710.70
  5. Step 5: Solve for x
    x = 17,404,747,710.70/148,561.15
  6. Step 6: Final answer
    x = 117,155.45

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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.