Home / 185,036.40-277,384.50-66,678.80

Finding the Fourth Proportional to 185,036.40, 277,384.50 and 66,678.80

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Solution

The fourth proportional to 185,036.40, 277,384.50 and 66,678.80 is: 99,956.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,036.40 : 277,384.50 = 66,678.80 : x
  2. Step 2: Convert to fraction form
    185,036.40/277,384.50 = 66,678.80/x
  3. Step 3: Cross multiply
    185,036.40x = 277,384.50 × 66,678.80
  4. Step 4: Simplify right side
    185,036.40x = 18,495,664,211.68
  5. Step 5: Solve for x
    x = 18,495,664,211.68/185,036.40
  6. Step 6: Final answer
    x = 99,956.90

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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.