Home / 191,639.02-287,522.50-85,008.26

Finding the Fourth Proportional to 191,639.02, 287,522.50 and 85,008.26

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Solution

The fourth proportional to 191,639.02, 287,522.50 and 85,008.26 is: 127,540.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,639.02 : 287,522.50 = 85,008.26 : x
  2. Step 2: Convert to fraction form
    191,639.02/287,522.50 = 85,008.26/x
  3. Step 3: Cross multiply
    191,639.02x = 287,522.50 × 85,008.26
  4. Step 4: Simplify right side
    191,639.02x = 24,441,788,924.25
  5. Step 5: Solve for x
    x = 24,441,788,924.25/191,639.02
  6. Step 6: Final answer
    x = 127,540.78

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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.