Home / 163,932.12-245,849.58-70,416

Finding the Fourth Proportional to 163,932.12, 245,849.58 and 70,416

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Solution

The fourth proportional to 163,932.12, 245,849.58 and 70,416 is: 105,603.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,932.12 : 245,849.58 = 70,416 : x
  2. Step 2: Convert to fraction form
    163,932.12/245,849.58 = 70,416/x
  3. Step 3: Cross multiply
    163,932.12x = 245,849.58 × 70,416
  4. Step 4: Simplify right side
    163,932.12x = 17,311,744,025.28
  5. Step 5: Solve for x
    x = 17,311,744,025.28/163,932.12
  6. Step 6: Final answer
    x = 105,603.12

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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.