Home / 130,360.38-179,895.75-73,770.30

Finding the Fourth Proportional to 130,360.38, 179,895.75 and 73,770.30

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Solution

The fourth proportional to 130,360.38, 179,895.75 and 73,770.30 is: 101,802.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,360.38 : 179,895.75 = 73,770.30 : x
  2. Step 2: Convert to fraction form
    130,360.38/179,895.75 = 73,770.30/x
  3. Step 3: Cross multiply
    130,360.38x = 179,895.75 × 73,770.30
  4. Step 4: Simplify right side
    130,360.38x = 13,270,963,446.23
  5. Step 5: Solve for x
    x = 13,270,963,446.23/130,360.38
  6. Step 6: Final answer
    x = 101,802.12

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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.