Home / 130,034.16-179,450.64-73,445.76

Finding the Fourth Proportional to 130,034.16, 179,450.64 and 73,445.76

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Solution

The fourth proportional to 130,034.16, 179,450.64 and 73,445.76 is: 101,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,034.16 : 179,450.64 = 73,445.76 : x
  2. Step 2: Convert to fraction form
    130,034.16/179,450.64 = 73,445.76/x
  3. Step 3: Cross multiply
    130,034.16x = 179,450.64 × 73,445.76
  4. Step 4: Simplify right side
    130,034.16x = 13,179,888,637.29
  5. Step 5: Solve for x
    x = 13,179,888,637.29/130,034.16
  6. Step 6: Final answer
    x = 101,357.13

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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.