Home / 283,497.04-391,207.34-156,172.64

Finding the Fourth Proportional to 283,497.04, 391,207.34 and 156,172.64

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Solution

The fourth proportional to 283,497.04, 391,207.34 and 156,172.64 is: 215,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,497.04 : 391,207.34 = 156,172.64 : x
  2. Step 2: Convert to fraction form
    283,497.04/391,207.34 = 156,172.64/x
  3. Step 3: Cross multiply
    283,497.04x = 391,207.34 × 156,172.64
  4. Step 4: Simplify right side
    283,497.04x = 61,095,883,075.18
  5. Step 5: Solve for x
    x = 61,095,883,075.18/283,497.04
  6. Step 6: Final answer
    x = 215,508.01

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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.