Home / 113,976.96-157,276.80-63,666.24

Finding the Fourth Proportional to 113,976.96, 157,276.80 and 63,666.24

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Solution

The fourth proportional to 113,976.96, 157,276.80 and 63,666.24 is: 87,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,976.96 : 157,276.80 = 63,666.24 : x
  2. Step 2: Convert to fraction form
    113,976.96/157,276.80 = 63,666.24/x
  3. Step 3: Cross multiply
    113,976.96x = 157,276.80 × 63,666.24
  4. Step 4: Simplify right side
    113,976.96x = 10,013,222,495.23
  5. Step 5: Solve for x
    x = 10,013,222,495.23/113,976.96
  6. Step 6: Final answer
    x = 87,853.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.