Home / 102,236.16-141,005.98-66,437.67

Finding the Fourth Proportional to 102,236.16, 141,005.98 and 66,437.67

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Solution

The fourth proportional to 102,236.16, 141,005.98 and 66,437.67 is: 91,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,236.16 : 141,005.98 = 66,437.67 : x
  2. Step 2: Convert to fraction form
    102,236.16/141,005.98 = 66,437.67/x
  3. Step 3: Cross multiply
    102,236.16x = 141,005.98 × 66,437.67
  4. Step 4: Simplify right side
    102,236.16x = 9,368,108,767.27
  5. Step 5: Solve for x
    x = 9,368,108,767.27/102,236.16
  6. Step 6: Final answer
    x = 91,632.05

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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.