Home / 342,886.04-473,080.38-221,835.64

Finding the Fourth Proportional to 342,886.04, 473,080.38 and 221,835.64

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Solution

The fourth proportional to 342,886.04, 473,080.38 and 221,835.64 is: 306,066.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,886.04 : 473,080.38 = 221,835.64 : x
  2. Step 2: Convert to fraction form
    342,886.04/473,080.38 = 221,835.64/x
  3. Step 3: Cross multiply
    342,886.04x = 473,080.38 × 221,835.64
  4. Step 4: Simplify right side
    342,886.04x = 104,946,088,868.74
  5. Step 5: Solve for x
    x = 104,946,088,868.74/342,886.04
  6. Step 6: Final answer
    x = 306,066.96

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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.