Home / 462,013.04-693,077.88-162,423.20

Finding the Fourth Proportional to 462,013.04, 693,077.88 and 162,423.20

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Solution

The fourth proportional to 462,013.04, 693,077.88 and 162,423.20 is: 243,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,013.04 : 693,077.88 = 162,423.20 : x
  2. Step 2: Convert to fraction form
    462,013.04/693,077.88 = 162,423.20/x
  3. Step 3: Cross multiply
    462,013.04x = 693,077.88 × 162,423.20
  4. Step 4: Simplify right side
    462,013.04x = 112,571,927,118.82
  5. Step 5: Solve for x
    x = 112,571,927,118.82/462,013.04
  6. Step 6: Final answer
    x = 243,655.30

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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.