Home / 340,030.02-509,934.72-112,274.40

Finding the Fourth Proportional to 340,030.02, 509,934.72 and 112,274.40

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Solution

The fourth proportional to 340,030.02, 509,934.72 and 112,274.40 is: 168,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,030.02 : 509,934.72 = 112,274.40 : x
  2. Step 2: Convert to fraction form
    340,030.02/509,934.72 = 112,274.40/x
  3. Step 3: Cross multiply
    340,030.02x = 509,934.72 × 112,274.40
  4. Step 4: Simplify right side
    340,030.02x = 57,252,614,727.17
  5. Step 5: Solve for x
    x = 57,252,614,727.17/340,030.02
  6. Step 6: Final answer
    x = 168,375.18

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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.