Home / 102,303.40-141,185.78-62,018.86

Finding the Fourth Proportional to 102,303.40, 141,185.78 and 62,018.86

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Solution

The fourth proportional to 102,303.40, 141,185.78 and 62,018.86 is: 85,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,303.40 : 141,185.78 = 62,018.86 : x
  2. Step 2: Convert to fraction form
    102,303.40/141,185.78 = 62,018.86/x
  3. Step 3: Cross multiply
    102,303.40x = 141,185.78 × 62,018.86
  4. Step 4: Simplify right side
    102,303.40x = 8,756,180,777.46
  5. Step 5: Solve for x
    x = 8,756,180,777.46/102,303.40
  6. Step 6: Final answer
    x = 85,590.32

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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.