Home / 170,909.84-235,864.60-102,948.16

Finding the Fourth Proportional to 170,909.84, 235,864.60 and 102,948.16

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Solution

The fourth proportional to 170,909.84, 235,864.60 and 102,948.16 is: 142,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,909.84 : 235,864.60 = 102,948.16 : x
  2. Step 2: Convert to fraction form
    170,909.84/235,864.60 = 102,948.16/x
  3. Step 3: Cross multiply
    170,909.84x = 235,864.60 × 102,948.16
  4. Step 4: Simplify right side
    170,909.84x = 24,281,826,579.14
  5. Step 5: Solve for x
    x = 24,281,826,579.14/170,909.84
  6. Step 6: Final answer
    x = 142,073.89

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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.