Home / 163,410.77-245,116.34-51,091.57

Finding the Fourth Proportional to 163,410.77, 245,116.34 and 51,091.57

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Solution

The fourth proportional to 163,410.77, 245,116.34 and 51,091.57 is: 76,637.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,410.77 : 245,116.34 = 51,091.57 : x
  2. Step 2: Convert to fraction form
    163,410.77/245,116.34 = 51,091.57/x
  3. Step 3: Cross multiply
    163,410.77x = 245,116.34 × 51,091.57
  4. Step 4: Simplify right side
    163,410.77x = 12,523,378,643.25
  5. Step 5: Solve for x
    x = 12,523,378,643.25/163,410.77
  6. Step 6: Final answer
    x = 76,637.41

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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.