Home / 130,373.16-179,919.24-73,783.32

Finding the Fourth Proportional to 130,373.16, 179,919.24 and 73,783.32

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Solution

The fourth proportional to 130,373.16, 179,919.24 and 73,783.32 is: 101,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,373.16 : 179,919.24 = 73,783.32 : x
  2. Step 2: Convert to fraction form
    130,373.16/179,919.24 = 73,783.32/x
  3. Step 3: Cross multiply
    130,373.16x = 179,919.24 × 73,783.32
  4. Step 4: Simplify right side
    130,373.16x = 13,275,038,859.08
  5. Step 5: Solve for x
    x = 13,275,038,859.08/130,373.16
  6. Step 6: Final answer
    x = 101,823.40

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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.