Home / 178,905.50-246,890.08-99,417.50

Finding the Fourth Proportional to 178,905.50, 246,890.08 and 99,417.50

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Solution

The fourth proportional to 178,905.50, 246,890.08 and 99,417.50 is: 137,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,905.50 : 246,890.08 = 99,417.50 : x
  2. Step 2: Convert to fraction form
    178,905.50/246,890.08 = 99,417.50/x
  3. Step 3: Cross multiply
    178,905.50x = 246,890.08 × 99,417.50
  4. Step 4: Simplify right side
    178,905.50x = 24,545,194,528.40
  5. Step 5: Solve for x
    x = 24,545,194,528.40/178,905.50
  6. Step 6: Final answer
    x = 137,196.42

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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.