Home / 385,033.22-531,132.52-223,870.46

Finding the Fourth Proportional to 385,033.22, 531,132.52 and 223,870.46

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Solution

The fourth proportional to 385,033.22, 531,132.52 and 223,870.46 is: 308,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,033.22 : 531,132.52 = 223,870.46 : x
  2. Step 2: Convert to fraction form
    385,033.22/531,132.52 = 223,870.46/x
  3. Step 3: Cross multiply
    385,033.22x = 531,132.52 × 223,870.46
  4. Step 4: Simplify right side
    385,033.22x = 118,904,881,573.36
  5. Step 5: Solve for x
    x = 118,904,881,573.36/385,033.22
  6. Step 6: Final answer
    x = 308,817.20

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1.5x scale

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.