Home / 115,597.04-173,430.51-81,928.17

Finding the Fourth Proportional to 115,597.04, 173,430.51 and 81,928.17

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Solution

The fourth proportional to 115,597.04, 173,430.51 and 81,928.17 is: 122,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,597.04 : 173,430.51 = 81,928.17 : x
  2. Step 2: Convert to fraction form
    115,597.04/173,430.51 = 81,928.17/x
  3. Step 3: Cross multiply
    115,597.04x = 173,430.51 × 81,928.17
  4. Step 4: Simplify right side
    115,597.04x = 14,208,844,306.47
  5. Step 5: Solve for x
    x = 14,208,844,306.47/115,597.04
  6. Step 6: Final answer
    x = 122,917.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.