Home / 163,529.39-245,294.09-51,218.40

Finding the Fourth Proportional to 163,529.39, 245,294.09 and 51,218.40

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Solution

The fourth proportional to 163,529.39, 245,294.09 and 51,218.40 is: 76,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,529.39 : 245,294.09 = 51,218.40 : x
  2. Step 2: Convert to fraction form
    163,529.39/245,294.09 = 51,218.40/x
  3. Step 3: Cross multiply
    163,529.39x = 245,294.09 × 51,218.40
  4. Step 4: Simplify right side
    163,529.39x = 12,563,570,819.26
  5. Step 5: Solve for x
    x = 12,563,570,819.26/163,529.39
  6. Step 6: Final answer
    x = 76,827.60

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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.