Home / 114,047.10-171,070.65-76,722.30

Finding the Fourth Proportional to 114,047.10, 171,070.65 and 76,722.30

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Solution

The fourth proportional to 114,047.10, 171,070.65 and 76,722.30 is: 115,083.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,047.10 : 171,070.65 = 76,722.30 : x
  2. Step 2: Convert to fraction form
    114,047.10/171,070.65 = 76,722.30/x
  3. Step 3: Cross multiply
    114,047.10x = 171,070.65 × 76,722.30
  4. Step 4: Simplify right side
    114,047.10x = 13,124,933,730.50
  5. Step 5: Solve for x
    x = 13,124,933,730.50/114,047.10
  6. Step 6: Final answer
    x = 115,083.45

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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.