Home / 130,114.02-179,573.25-76,404.03

Finding the Fourth Proportional to 130,114.02, 179,573.25 and 76,404.03

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Solution

The fourth proportional to 130,114.02, 179,573.25 and 76,404.03 is: 105,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,114.02 : 179,573.25 = 76,404.03 : x
  2. Step 2: Convert to fraction form
    130,114.02/179,573.25 = 76,404.03/x
  3. Step 3: Cross multiply
    130,114.02x = 179,573.25 × 76,404.03
  4. Step 4: Simplify right side
    130,114.02x = 13,720,119,980.20
  5. Step 5: Solve for x
    x = 13,720,119,980.20/130,114.02
  6. Step 6: Final answer
    x = 105,446.90

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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.