Home / 163,762.10-245,643.27-45,433.55

Finding the Fourth Proportional to 163,762.10, 245,643.27 and 45,433.55

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Solution

The fourth proportional to 163,762.10, 245,643.27 and 45,433.55 is: 68,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,762.10 : 245,643.27 = 45,433.55 : x
  2. Step 2: Convert to fraction form
    163,762.10/245,643.27 = 45,433.55/x
  3. Step 3: Cross multiply
    163,762.10x = 245,643.27 × 45,433.55
  4. Step 4: Simplify right side
    163,762.10x = 11,160,446,403.82
  5. Step 5: Solve for x
    x = 11,160,446,403.82/163,762.10
  6. Step 6: Final answer
    x = 68,150.36

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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.