Home / 168,772.80-253,159.20-166,148.40

Finding the Fourth Proportional to 168,772.80, 253,159.20 and 166,148.40

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Solution

The fourth proportional to 168,772.80, 253,159.20 and 166,148.40 is: 249,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,772.80 : 253,159.20 = 166,148.40 : x
  2. Step 2: Convert to fraction form
    168,772.80/253,159.20 = 166,148.40/x
  3. Step 3: Cross multiply
    168,772.80x = 253,159.20 × 166,148.40
  4. Step 4: Simplify right side
    168,772.80x = 42,061,996,025.28
  5. Step 5: Solve for x
    x = 42,061,996,025.28/168,772.80
  6. Step 6: Final answer
    x = 249,222.60

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1.5x scale

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.