Home / 163,386.72-245,149.74-92,319.12

Finding the Fourth Proportional to 163,386.72, 245,149.74 and 92,319.12

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Solution

The fourth proportional to 163,386.72, 245,149.74 and 92,319.12 is: 138,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,386.72 : 245,149.74 = 92,319.12 : x
  2. Step 2: Convert to fraction form
    163,386.72/245,149.74 = 92,319.12/x
  3. Step 3: Cross multiply
    163,386.72x = 245,149.74 × 92,319.12
  4. Step 4: Simplify right side
    163,386.72x = 22,632,008,265.03
  5. Step 5: Solve for x
    x = 22,632,008,265.03/163,386.72
  6. Step 6: Final answer
    x = 138,518.04

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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.