Home / 152,867.15-210,934.73-84,884.95

Finding the Fourth Proportional to 152,867.15, 210,934.73 and 84,884.95

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Solution

The fourth proportional to 152,867.15, 210,934.73 and 84,884.95 is: 117,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,867.15 : 210,934.73 = 84,884.95 : x
  2. Step 2: Convert to fraction form
    152,867.15/210,934.73 = 84,884.95/x
  3. Step 3: Cross multiply
    152,867.15x = 210,934.73 × 84,884.95
  4. Step 4: Simplify right side
    152,867.15x = 17,905,184,009.31
  5. Step 5: Solve for x
    x = 17,905,184,009.31/152,867.15
  6. Step 6: Final answer
    x = 117,129.05

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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.