Home / 112,159.24-168,270.65-45,647.11

Finding the Fourth Proportional to 112,159.24, 168,270.65 and 45,647.11

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Solution

The fourth proportional to 112,159.24, 168,270.65 and 45,647.11 is: 68,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,159.24 : 168,270.65 = 45,647.11 : x
  2. Step 2: Convert to fraction form
    112,159.24/168,270.65 = 45,647.11/x
  3. Step 3: Cross multiply
    112,159.24x = 168,270.65 × 45,647.11
  4. Step 4: Simplify right side
    112,159.24x = 7,681,068,506.28
  5. Step 5: Solve for x
    x = 7,681,068,506.28/112,159.24
  6. Step 6: Final answer
    x = 68,483.60

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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.