Home / 130,040.46-179,314.02-84,634.68

Finding the Fourth Proportional to 130,040.46, 179,314.02 and 84,634.68

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Solution

The fourth proportional to 130,040.46, 179,314.02 and 84,634.68 is: 116,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.46 : 179,314.02 = 84,634.68 : x
  2. Step 2: Convert to fraction form
    130,040.46/179,314.02 = 84,634.68/x
  3. Step 3: Cross multiply
    130,040.46x = 179,314.02 × 84,634.68
  4. Step 4: Simplify right side
    130,040.46x = 15,176,184,702.21
  5. Step 5: Solve for x
    x = 15,176,184,702.21/130,040.46
  6. Step 6: Final answer
    x = 116,703.56

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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.