Home / 163,570.07-245,336.12-45,250.64

Finding the Fourth Proportional to 163,570.07, 245,336.12 and 45,250.64

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Solution

The fourth proportional to 163,570.07, 245,336.12 and 45,250.64 is: 67,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,570.07 : 245,336.12 = 45,250.64 : x
  2. Step 2: Convert to fraction form
    163,570.07/245,336.12 = 45,250.64/x
  3. Step 3: Cross multiply
    163,570.07x = 245,336.12 × 45,250.64
  4. Step 4: Simplify right side
    163,570.07x = 11,101,616,445.12
  5. Step 5: Solve for x
    x = 11,101,616,445.12/163,570.07
  6. Step 6: Final answer
    x = 67,870.71

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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.