Home / 130,856.02-180,566.96-73,483.72

Finding the Fourth Proportional to 130,856.02, 180,566.96 and 73,483.72

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Solution

The fourth proportional to 130,856.02, 180,566.96 and 73,483.72 is: 101,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,856.02 : 180,566.96 = 73,483.72 : x
  2. Step 2: Convert to fraction form
    130,856.02/180,566.96 = 73,483.72/x
  3. Step 3: Cross multiply
    130,856.02x = 180,566.96 × 73,483.72
  4. Step 4: Simplify right side
    130,856.02x = 13,268,731,929.89
  5. Step 5: Solve for x
    x = 13,268,731,929.89/130,856.02
  6. Step 6: Final answer
    x = 101,399.48

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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.