Home / 130,697.01-180,360.27-74,104.74

Finding the Fourth Proportional to 130,697.01, 180,360.27 and 74,104.74

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Solution

The fourth proportional to 130,697.01, 180,360.27 and 74,104.74 is: 102,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697.01 : 180,360.27 = 74,104.74 : x
  2. Step 2: Convert to fraction form
    130,697.01/180,360.27 = 74,104.74/x
  3. Step 3: Cross multiply
    130,697.01x = 180,360.27 × 74,104.74
  4. Step 4: Simplify right side
    130,697.01x = 13,365,550,914.68
  5. Step 5: Solve for x
    x = 13,365,550,914.68/130,697.01
  6. Step 6: Final answer
    x = 102,263.63

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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.