Home / 191,927.40-287,631.90-169,636.20

Finding the Fourth Proportional to 191,927.40, 287,631.90 and 169,636.20

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Solution

The fourth proportional to 191,927.40, 287,631.90 and 169,636.20 is: 254,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,927.40 : 287,631.90 = 169,636.20 : x
  2. Step 2: Convert to fraction form
    191,927.40/287,631.90 = 169,636.20/x
  3. Step 3: Cross multiply
    191,927.40x = 287,631.90 × 169,636.20
  4. Step 4: Simplify right side
    191,927.40x = 48,792,782,514.78
  5. Step 5: Solve for x
    x = 48,792,782,514.78/191,927.40
  6. Step 6: Final answer
    x = 254,225.20

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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.