Home / 229,964.40-344,962.80-130,172.40

Finding the Fourth Proportional to 229,964.40, 344,962.80 and 130,172.40

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Solution

The fourth proportional to 229,964.40, 344,962.80 and 130,172.40 is: 195,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,964.40 : 344,962.80 = 130,172.40 : x
  2. Step 2: Convert to fraction form
    229,964.40/344,962.80 = 130,172.40/x
  3. Step 3: Cross multiply
    229,964.40x = 344,962.80 × 130,172.40
  4. Step 4: Simplify right side
    229,964.40x = 44,904,635,586.72
  5. Step 5: Solve for x
    x = 44,904,635,586.72/229,964.40
  6. Step 6: Final answer
    x = 195,267.77

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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.