Home / 130,948.18-180,712.83-73,597.48

Finding the Fourth Proportional to 130,948.18, 180,712.83 and 73,597.48

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Solution

The fourth proportional to 130,948.18, 180,712.83 and 73,597.48 is: 101,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,948.18 : 180,712.83 = 73,597.48 : x
  2. Step 2: Convert to fraction form
    130,948.18/180,712.83 = 73,597.48/x
  3. Step 3: Cross multiply
    130,948.18x = 180,712.83 × 73,597.48
  4. Step 4: Simplify right side
    130,948.18x = 13,300,008,891.67
  5. Step 5: Solve for x
    x = 13,300,008,891.67/130,948.18
  6. Step 6: Final answer
    x = 101,566.96

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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.