Home / 295,145.22-442,802.88-145,430.52

Finding the Fourth Proportional to 295,145.22, 442,802.88 and 145,430.52

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Solution

The fourth proportional to 295,145.22, 442,802.88 and 145,430.52 is: 218,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,145.22 : 442,802.88 = 145,430.52 : x
  2. Step 2: Convert to fraction form
    295,145.22/442,802.88 = 145,430.52/x
  3. Step 3: Cross multiply
    295,145.22x = 442,802.88 × 145,430.52
  4. Step 4: Simplify right side
    295,145.22x = 64,397,053,095.90
  5. Step 5: Solve for x
    x = 64,397,053,095.90/295,145.22
  6. Step 6: Final answer
    x = 218,187.69

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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.