Home / 191,938.60-287,907.90-177,941.80

Finding the Fourth Proportional to 191,938.60, 287,907.90 and 177,941.80

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Solution

The fourth proportional to 191,938.60, 287,907.90 and 177,941.80 is: 266,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,938.60 : 287,907.90 = 177,941.80 : x
  2. Step 2: Convert to fraction form
    191,938.60/287,907.90 = 177,941.80/x
  3. Step 3: Cross multiply
    191,938.60x = 287,907.90 × 177,941.80
  4. Step 4: Simplify right side
    191,938.60x = 51,230,849,960.22
  5. Step 5: Solve for x
    x = 51,230,849,960.22/191,938.60
  6. Step 6: Final answer
    x = 266,912.70

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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.