Home / 155,924.10-233,487.63-85,726.26

Finding the Fourth Proportional to 155,924.10, 233,487.63 and 85,726.26

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Solution

The fourth proportional to 155,924.10, 233,487.63 and 85,726.26 is: 128,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,924.10 : 233,487.63 = 85,726.26 : x
  2. Step 2: Convert to fraction form
    155,924.10/233,487.63 = 85,726.26/x
  3. Step 3: Cross multiply
    155,924.10x = 233,487.63 × 85,726.26
  4. Step 4: Simplify right side
    155,924.10x = 20,016,021,276.16
  5. Step 5: Solve for x
    x = 20,016,021,276.16/155,924.10
  6. Step 6: Final answer
    x = 128,370.29

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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.