Home / 366,009.09-549,057.93-129,303.33

Finding the Fourth Proportional to 366,009.09, 549,057.93 and 129,303.33

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Solution

The fourth proportional to 366,009.09, 549,057.93 and 129,303.33 is: 193,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,009.09 : 549,057.93 = 129,303.33 : x
  2. Step 2: Convert to fraction form
    366,009.09/549,057.93 = 129,303.33/x
  3. Step 3: Cross multiply
    366,009.09x = 549,057.93 × 129,303.33
  4. Step 4: Simplify right side
    366,009.09x = 70,995,018,711.91
  5. Step 5: Solve for x
    x = 70,995,018,711.91/366,009.09
  6. Step 6: Final answer
    x = 193,970.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.