Home / 296,703.36-445,055.04-72,062.40

Finding the Fourth Proportional to 296,703.36, 445,055.04 and 72,062.40

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Solution

The fourth proportional to 296,703.36, 445,055.04 and 72,062.40 is: 108,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,703.36 : 445,055.04 = 72,062.40 : x
  2. Step 2: Convert to fraction form
    296,703.36/445,055.04 = 72,062.40/x
  3. Step 3: Cross multiply
    296,703.36x = 445,055.04 × 72,062.40
  4. Step 4: Simplify right side
    296,703.36x = 32,071,734,314.50
  5. Step 5: Solve for x
    x = 32,071,734,314.50/296,703.36
  6. Step 6: Final answer
    x = 108,093.60

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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.