Home / 191,885.40-287,828.10-152,227.80

Finding the Fourth Proportional to 191,885.40, 287,828.10 and 152,227.80

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Solution

The fourth proportional to 191,885.40, 287,828.10 and 152,227.80 is: 228,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,885.40 : 287,828.10 = 152,227.80 : x
  2. Step 2: Convert to fraction form
    191,885.40/287,828.10 = 152,227.80/x
  3. Step 3: Cross multiply
    191,885.40x = 287,828.10 × 152,227.80
  4. Step 4: Simplify right side
    191,885.40x = 43,815,438,441.18
  5. Step 5: Solve for x
    x = 43,815,438,441.18/191,885.40
  6. Step 6: Final answer
    x = 228,341.70

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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.