Home / 191,929.80-287,894.70-176,766.60

Finding the Fourth Proportional to 191,929.80, 287,894.70 and 176,766.60

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Solution

The fourth proportional to 191,929.80, 287,894.70 and 176,766.60 is: 265,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,929.80 : 287,894.70 = 176,766.60 : x
  2. Step 2: Convert to fraction form
    191,929.80/287,894.70 = 176,766.60/x
  3. Step 3: Cross multiply
    191,929.80x = 287,894.70 × 176,766.60
  4. Step 4: Simplify right side
    191,929.80x = 50,890,167,277.02
  5. Step 5: Solve for x
    x = 50,890,167,277.02/191,929.80
  6. Step 6: Final answer
    x = 265,149.90

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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.