Home / 130,601.85-180,199.08-82,837.77

Finding the Fourth Proportional to 130,601.85, 180,199.08 and 82,837.77

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Solution

The fourth proportional to 130,601.85, 180,199.08 and 82,837.77 is: 114,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,601.85 : 180,199.08 = 82,837.77 : x
  2. Step 2: Convert to fraction form
    130,601.85/180,199.08 = 82,837.77/x
  3. Step 3: Cross multiply
    130,601.85x = 180,199.08 × 82,837.77
  4. Step 4: Simplify right side
    130,601.85x = 14,927,289,943.25
  5. Step 5: Solve for x
    x = 14,927,289,943.25/130,601.85
  6. Step 6: Final answer
    x = 114,296.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.