Home / 403,279.04-604,920.28-163,397.60

Finding the Fourth Proportional to 403,279.04, 604,920.28 and 163,397.60

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Solution

The fourth proportional to 403,279.04, 604,920.28 and 163,397.60 is: 245,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,279.04 : 604,920.28 = 163,397.60 : x
  2. Step 2: Convert to fraction form
    403,279.04/604,920.28 = 163,397.60/x
  3. Step 3: Cross multiply
    403,279.04x = 604,920.28 × 163,397.60
  4. Step 4: Simplify right side
    403,279.04x = 98,842,521,943.33
  5. Step 5: Solve for x
    x = 98,842,521,943.33/403,279.04
  6. Step 6: Final answer
    x = 245,097.10

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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.