Home / 112,437.60-168,656.40-29,331.60

Finding the Fourth Proportional to 112,437.60, 168,656.40 and 29,331.60

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Solution

The fourth proportional to 112,437.60, 168,656.40 and 29,331.60 is: 43,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,437.60 : 168,656.40 = 29,331.60 : x
  2. Step 2: Convert to fraction form
    112,437.60/168,656.40 = 29,331.60/x
  3. Step 3: Cross multiply
    112,437.60x = 168,656.40 × 29,331.60
  4. Step 4: Simplify right side
    112,437.60x = 4,946,962,062.24
  5. Step 5: Solve for x
    x = 4,946,962,062.24/112,437.60
  6. Step 6: Final answer
    x = 43,997.40

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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.