Home / 118,018.35-162,867.18-64,303.35

Finding the Fourth Proportional to 118,018.35, 162,867.18 and 64,303.35

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Solution

The fourth proportional to 118,018.35, 162,867.18 and 64,303.35 is: 88,739.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,018.35 : 162,867.18 = 64,303.35 : x
  2. Step 2: Convert to fraction form
    118,018.35/162,867.18 = 64,303.35/x
  3. Step 3: Cross multiply
    118,018.35x = 162,867.18 × 64,303.35
  4. Step 4: Simplify right side
    118,018.35x = 10,472,905,279.05
  5. Step 5: Solve for x
    x = 10,472,905,279.05/118,018.35
  6. Step 6: Final answer
    x = 88,739.63

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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.