Home / 130,048.56-179,478-73,470.24

Finding the Fourth Proportional to 130,048.56, 179,478 and 73,470.24

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Solution

The fourth proportional to 130,048.56, 179,478 and 73,470.24 is: 101,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,048.56 : 179,478 = 73,470.24 : x
  2. Step 2: Convert to fraction form
    130,048.56/179,478 = 73,470.24/x
  3. Step 3: Cross multiply
    130,048.56x = 179,478 × 73,470.24
  4. Step 4: Simplify right side
    130,048.56x = 13,186,291,734.72
  5. Step 5: Solve for x
    x = 13,186,291,734.72/130,048.56
  6. Step 6: Final answer
    x = 101,395.14

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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.