Home / 130,496.16-180,098.64-73,909.92

Finding the Fourth Proportional to 130,496.16, 180,098.64 and 73,909.92

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Solution

The fourth proportional to 130,496.16, 180,098.64 and 73,909.92 is: 102,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,496.16 : 180,098.64 = 73,909.92 : x
  2. Step 2: Convert to fraction form
    130,496.16/180,098.64 = 73,909.92/x
  3. Step 3: Cross multiply
    130,496.16x = 180,098.64 × 73,909.92
  4. Step 4: Simplify right side
    130,496.16x = 13,311,076,074.51
  5. Step 5: Solve for x
    x = 13,311,076,074.51/130,496.16
  6. Step 6: Final answer
    x = 102,003.58

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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.