Home / 223,053.10-307,818.71-121,082.74

Finding the Fourth Proportional to 223,053.10, 307,818.71 and 121,082.74

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Solution

The fourth proportional to 223,053.10, 307,818.71 and 121,082.74 is: 167,097.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,053.10 : 307,818.71 = 121,082.74 : x
  2. Step 2: Convert to fraction form
    223,053.10/307,818.71 = 121,082.74/x
  3. Step 3: Cross multiply
    223,053.10x = 307,818.71 × 121,082.74
  4. Step 4: Simplify right side
    223,053.10x = 37,271,532,830.07
  5. Step 5: Solve for x
    x = 37,271,532,830.07/223,053.10
  6. Step 6: Final answer
    x = 167,097.13

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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.