Home / 119,946.06-166,225.70-118,254.78

Finding the Fourth Proportional to 119,946.06, 166,225.70 and 118,254.78

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Solution

The fourth proportional to 119,946.06, 166,225.70 and 118,254.78 is: 163,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,946.06 : 166,225.70 = 118,254.78 : x
  2. Step 2: Convert to fraction form
    119,946.06/166,225.70 = 118,254.78/x
  3. Step 3: Cross multiply
    119,946.06x = 166,225.70 × 118,254.78
  4. Step 4: Simplify right side
    119,946.06x = 19,656,982,992.57
  5. Step 5: Solve for x
    x = 19,656,982,992.57/119,946.06
  6. Step 6: Final answer
    x = 163,881.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.