Home / 155,953.90-233,930.85-85,095.10

Finding the Fourth Proportional to 155,953.90, 233,930.85 and 85,095.10

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Solution

The fourth proportional to 155,953.90, 233,930.85 and 85,095.10 is: 127,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,953.90 : 233,930.85 = 85,095.10 : x
  2. Step 2: Convert to fraction form
    155,953.90/233,930.85 = 85,095.10/x
  3. Step 3: Cross multiply
    155,953.90x = 233,930.85 × 85,095.10
  4. Step 4: Simplify right side
    155,953.90x = 19,906,369,073.84
  5. Step 5: Solve for x
    x = 19,906,369,073.84/155,953.90
  6. Step 6: Final answer
    x = 127,642.65

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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.