Home / 102,303.30-141,185.66-62,018.76

Finding the Fourth Proportional to 102,303.30, 141,185.66 and 62,018.76

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Solution

The fourth proportional to 102,303.30, 141,185.66 and 62,018.76 is: 85,590.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,303.30 : 141,185.66 = 62,018.76 : x
  2. Step 2: Convert to fraction form
    102,303.30/141,185.66 = 62,018.76/x
  3. Step 3: Cross multiply
    102,303.30x = 141,185.66 × 62,018.76
  4. Step 4: Simplify right side
    102,303.30x = 8,756,159,252.89
  5. Step 5: Solve for x
    x = 8,756,159,252.89/102,303.30
  6. Step 6: Final answer
    x = 85,590.19

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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.